You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I support you?

USER: Can you help me for booking on the name of Rachel Garcia with a fare of 200?

ASSISTANT: Sure, Do you require any stopovers in your journey?

USER: Yes, I need a stopover.

ASSISTANT: Ok, May I know from where you are flying from and landing at?

USER: Sure, my journey airport codes are DEN to ORD.

ASSISTANT: Ok, please let me know your journey dates for further booking.

USER: My travelling journey dates are on 02/20 to 02/22.

ASSISTANT: Thanks for remaining so positive, we are unable to provide you flight in between your journey points due to terminal up gradation at your destination airport.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.