You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please reserve me a flight ticket from IAD to IAH?

ASSISTANT: Sure, help me with the trip dates?

USER: My travelling dates are Oct 23 and Oct 25.

ASSISTANT: May I know your good name please?

USER: Myself Daniel Edwards.

ASSISTANT: Do you have any specifications to be met?

USER: I need a flight with single connection.

ASSISTANT: There is a flight in an airline United with 1006 number having a single connection in an economy class. Shall I proceed to book?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.