You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Carolyn Lee, can you please assist me by booking a flight on 04/07?

ASSISTANT: Sure, please share your airport codes.

USER: My airport codes are DCA and PHX.

ASSISTANT: May I know your return dates?

USER: My return journey date is 04/09.

ASSISTANT: Delta airlines is available for you with 1 connection.

USER: Proceed with booking.

ASSISTANT: Your ticket is booked with flight number 1013.

USER: Thank you for your help in booking.

ASSISTANT: Most welcome, have a safe journey.