You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Please book me a ticket from SFO to HOU.

ASSISTANT: May I know your trip dates?

USER: My travelling dates are from 02/10 to 02/12.

ASSISTANT: May I know your good name please?

USER: I am Charles Collins.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight in between my journey. I can pay up to 500.

ASSISTANT: There is no flight on your details.

USER: Fine, thanks for the information.

ASSISTANT: Thanks for choosing us.