You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be your helping hand today?

USER: I want to book a ticket from IAH to IAD. Please help me to book a flight ticket.

ASSISTANT: Sure, may I know your name please?

USER: William Wright here.

ASSISTANT: Ok, may I know your journey dates?

USER: Dates are 11/20 and 11/22.

ASSISTANT: Ok, Is there any connection limit?

USER: Yes, It is one. Price limit is 500.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: Thanks for being patient, we found a 1005 Delta airline matches to your journey details and the fare is 100 with single connection. Can I proceed for booking?

USER: Go ahead.

ASSISTANT: Ok, the booking has been done. Thank you for reaching us.