You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I have planned to visit Flower festival at Houston, IAH.

ASSISTANT: Sure, can you please help me with your dates of journey?

USER: Sure, my travelling dates are July 29 and July 31.

ASSISTANT: May I know your source airport code please?

USER: My source is Chicago, ORD.

ASSISTANT: There is a flight of fare 200 with the Spirit airline, are you ok with this booking?

USER: Ok, please confirm.

ASSISTANT: Ok, your booking is done with the flight number 1004.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: I am Charles Hall.

ASSISTANT: Thank you for contacting us.