You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to travel from CLT to PHX. Can you help me to book a flight ticket?

ASSISTANT: Thank you, may I know your journey dates?

USER: I want to travel in the flight on Mar 28 and Mar 30.

ASSISTANT: Do you have any limit on maximum number of connections?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your class preference for your journey?

USER: I don't have any.

ASSISTANT: Let me know your name to proceed further for documentation purpose.

USER: Mark Williams.

ASSISTANT: Frontier airlines is providing you the connecting flight in economy class, shall I proceed by booking?

USER: Proceed to booking.

ASSISTANT: Your ticket has been reserved with flight 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.