You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket from IAH to DCA for attending a event.

ASSISTANT: Sure, please help me with your journey dates.

USER: Sure, my travelling dates are Apr 25 and Apr 27.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, May I know your connection limit?

USER: Sure, I prefer to travel in a connecting flight.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1007 United Airlines with a fare of 100. Can I proceed?

USER: You can proceed with booking.

ASSISTANT: May I know your name?

USER: I am Sharon Wright.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.