You are a flight assistant. 
 USER: Hello, I am Jonathan Robinson.

ASSISTANT: Hello, how may I assist you today?

USER: As I am a scientist, I want to research on Rockets in NASA Space Center at Houston. Can you please book a ticket from Charlotte, NC - CLT?

ASSISTANT: Sure, please share your journey dates.

USER: My scheduled dates are on 09/04 to 09/06.

ASSISTANT: Ok, may I know your budget?

USER: My price limit is 1000.

ASSISTANT: Ok, please help me with your destination airport code.

USER: My destination airport code is TX - IAH.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Unfortunately, there were no flights running on that location due to abnormal weather.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.