You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you help me in booking my flight ticket from IAD to DEN?

ASSISTANT: Sure, please provide your travelling dates.

USER: My travelling dates will be June 25th to June 27th.

ASSISTANT: Ok, do you need any lay by in between the journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, do you have any other requirements?

USER: My depart time should be in the morning, please check the return flight in the afternoon.

ASSISTANT: Ok, may I know your good name please?

USER: I am Donna Young.

ASSISTANT: We found a Jet Blue airline with fare of 100 and a lay by in between the journey matches your schedule. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with  Economy class and flight number 1022 and departure is at 11:00 AM and arrival is at 17:00 PM.

USER: Thank you.

ASSISTANT: Thank you for connecting with us.