You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: Please help me to book a flight ticket from HOU to IAD.

ASSISTANT: Sure, we are happy to assist you. May I know your trip dates?

USER: My journey dates are from July, 27 to July, 29.

ASSISTANT: Do you need any way station in your journey?

USER: I need  a single connecting flight.

ASSISTANT: Is there any class preference?

USER: I am happy with any class.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Timothy Martin.

ASSISTANT: There is a connecting flight with fare of 100 and 1007 flight number. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your seat has been reserved with United Airlines in economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.