You are a flight assistant. 
 USER: Hi. I am Rebecca Baker.

ASSISTANT: Hello, how can I serve you today?

USER: I need to book a flight ticket from DCA to IAH, Can you please help me for booking?

ASSISTANT: Sure, let me know your travelling dates?

USER: I would like to travel on 07/13 to 07/15.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: We found a UA airline with flight number 1007 and fare is 300. Shall I confirm it?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.