You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: Thank you and my travelling dates are from 03/19 to 03/21.

ASSISTANT: May I know your name?

USER: Myself Dennis Carter.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a single connecting flight. Also, my depart time should be in the morning.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Jetblue airline with connecting flight and number 1021 fare of 100 with economy class, Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.