You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of your service?

USER: Can you reserve a ticket from OAK to DFW?

ASSISTANT: Sure, we are here to help you in booking.

USER: My journey dates are July 18 to 20.

ASSISTANT: Thank you for sharing your journey dates. Please share your connection preference.

USER: I need a connecting flight.

ASSISTANT: May I know if you have any depart and return timings?

USER: No.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No, please proceed with above details.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: I am Gary Johnson here.

ASSISTANT: Thank you for sharing your journey details, please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Frontier airline with the flight number-1000. Shall I book the ticket?

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed with the connecting flight and your depart time will be in the evening.

USER: Thank you.

ASSISTANT: It's pleasure to serve you. You're welcome.