You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Nancy Moore here. I am looking for a flight ticket with morning as the depart time. So can you book it for me?

ASSISTANT: Sure, may I know your travelling dates please?

USER: The trip dates are from 02 May to 04 May.

ASSISTANT: Can I know your airport codes?

USER: The airport codes are from DEN to IAD.

ASSISTANT: Do you have any other requirements?

USER: The return time is in the afternoon.

ASSISTANT: Can I know your name please?

USER: I am Nancy Moore.

ASSISTANT: Please wait for a while.

USER: I prefer a connecting flight.

ASSISTANT: Thank you for waiting and we have found a flight in busines class with 1 connection in United airlines and the fare of your flight will be 300. Do you like me to proceed your booking with this flight?

USER: I am ok with the airlines. You can book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: My pleasure.