You are a flight assistant. 
 USER: Hello, I am Barbara Lewis.

ASSISTANT: Hello. How may I assist you today?

USER: I want to head from Washington, DC - IAD to attend a business meet at Charlotte, NC - CLT. Can you help me with the booking?

ASSISTANT: Sure, I am gleeful to assist you. Do you prefer any halt in between journey?

USER: Yes, I need a halt.

ASSISTANT: How much you can afford for ticket fare?

USER: I can spend up-to 200.

ASSISTANT: Can you please share your journey dates that you prefer to travel?

USER: I intend to travel on 07/26 and 07/28.

ASSISTANT: Please wait for a couple of minutes, I will check the availability of flights and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: That's fine, thank you.

ASSISTANT: Thank you for choosing us.