You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How may I assist you today?

USER: Can you reserve a seat on my name Jennifer Brown to San Francisco, SFO to meet my fiance?

ASSISTANT: Sure, may I know your price limit?

USER: 500 is the budget for my ticket.

ASSISTANT: Help me with the source code?

USER: My source code is Washington, DCA.

ASSISTANT: When did you planned to travel?

USER: 01/26 - 01/28 are my scheduled dates.

ASSISTANT: Thank you for your valuable information, please be on hold.

USER: Sure.

ASSISTANT: Thanks for waiting, we are pleased to inform you that, we have found an UA airline, flight number 1008, 1 stopover and the ticket fare is 100. Shall I proceed to book?

USER: Proceed with my booking.

ASSISTANT: Your flight ticket has been done.

USER: Thank you for quick service.

ASSISTANT: Thank you for reaching us. Have a safe flight.