You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be at your service today?

USER: I am Thomas Adams. I am planning to conduct a film festival at San Francisco. Can you help me in my booking?

ASSISTANT: Sure, can you please forward your journey dates?

USER: I will start my journey on 07/22 and again I will return on 07/24.

ASSISTANT: May I know your source and destination airport codes?

USER: My source airport code is Denver, CO - DEN.

ASSISTANT: Do you prefer any halt in between journey?

USER: My destination is CA - SFO. Yes, I need a halt in my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a JetBlue airlines, flight number 1001 and the fare of 100. Shall I proceed?

USER: Proceed with my booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.