You are a flight assistant. 
 USER: Hello, I am Samuel Phillips.

ASSISTANT: Hello, how can I support you at present?

USER: I am planning to attend a Food Festival in DC - IAD, can you help me in booking a flight ticket from CO - DEN?

ASSISTANT: Sure, let me know your travelling dates.

USER: I want to fly on 04/11 and return on 04/13.

ASSISTANT: Ok, Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, Do you need any halt?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight found in 1005 JetBlue airline with a connected flight in economy class.

USER: You can proceed to booking.

ASSISTANT: Sure, your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.