You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Nancy Mitchell, want to travel from IAH to IAD. Please help me in booking my ticket.

ASSISTANT: Sure, please provide your trip dates.

USER: Sure, my trip dates are from 02/20 to 02/22.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Delta airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked in 1004 flight.

USER: Thank you for your help.

ASSISTANT: Most welcome.