You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. In what way can I be at your service today?

USER: I have planned to an Adventures trip which got postponed as I am not issued with my leave. Now my concern is to change my reservation, please help me with it.

ASSISTANT: I will surely help you with that. Can I have your name please to check your previous reservation details in our database?

USER: Reservation was done with the name Frank Wilson.

ASSISTANT: OK Frank, please give me a moment to check and revert you.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting Frank, I found a reservation under your name, please help me with your new reservation details to modify.

USER: I would like to travel to Oakland on 02/02 and intend to return on 02/04.

ASSISTANT: Ok, could you please help me with the exact airport code of Oakland and your origin airport code?

USER: Sure, My source is Washington, its DC-IAD and destination is Oakland, its CA-OAK.

ASSISTANT: Do you have any stop over?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Frank please be on hold, I will try to avail a flight on your dates.

USER: Ok, I will.

ASSISTANT: We are pleased to inform you that there is a connecting flight from Frontier airline with flight number 1020 having price of only 100. Would you like me to proceed with this airline?

USER: That's great, thanks for the information. You can proceed for booking with this airlines.

ASSISTANT: Frank, your seat is reserved, hope you will enjoy your journey with Frontier airline.

USER: You are very helpful, thank you so much.

ASSISTANT: It's our pleasure. Thank you for flying with our service, hope you will visit in future.