You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Ashley Davis. I am planning to travel on these days that is on July 27 and return on July 29. Can you find a flight ticket for me?

ASSISTANT: Sure, I am perky to help you. Could you please share your exact airport codes?

USER: Thank you. Sure, my planned journey airport codes are from OAK to DFW.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: Yes, I need a single connecting flight.

ASSISTANT: Ok. We found a Southwest airlines. flight number:1017 and the price is 300.

USER: You can go ahead with the ticket booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.