You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello. How can I help you?

USER: Please help me to book a flight ticket from DEN to CLT.

ASSISTANT: Your travelling dates please?

USER: My journey dates are from Jan, 29 to Jan, 31.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: There is a flight with single connection in Hawaiian airlines, can I proceed for booking in 1025 flight?

USER: Please proceed.

ASSISTANT: On which name can I proceed for booking?

USER: Shirley Rodriguez.

ASSISTANT: Your booking is done in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.