You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Christopher Edwards want to travel to TX-DFW to attend  alive concert. Can you book a ticket from CA-OAK?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are 06/26 and 06/28.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline Spirit with flight 1004 having a fare 100 with halt. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your booking has been processed.

USER:  Thank you for booking.

ASSISTANT: Thank you for reaching us.