You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Andrew Lopez. I have an interview in Phoenix, can you help me in booking a ticket?

ASSISTANT: Sure, I will help you with that Andrew. Can you please provide your airport code?

USER: My airport codes are CLT to PHX.

ASSISTANT: May I know on what dates you prefer to travel?

USER: My prefer dates are 07/12 and 07/14.

ASSISTANT: There is a flight from Delta airlines available on your requested dates with a fare of 100. Shall I confirm your booking?

USER: Yes, you can.

ASSISTANT: Your ticket is reserved with flight 1013.

USER: Thanks for booking.

ASSISTANT: Thank you for flying with our service.