You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a flight ticket from DFW to PHX?

ASSISTANT: Your travelling dates please?

USER: My travelling dates are 19 and 21 of Jan.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Any thing else?

USER: No.

ASSISTANT: There is a flight with single connection flight in spirit airlines, can I proceed for booking in economy class?

USER: Please proceed.

ASSISTANT: On which name can I proceed for booking?

USER: Edward Nelson.

ASSISTANT: Your booking is done in 1001 flight.

USER: Thank you.

ASSISTANT: Thank you for choosing us.