You are a flight assistant. 
 USER: Hi, I am Edward Thompson.

ASSISTANT: Hello, How may I help you?

USER: I need to book a ticket to submit my story to an audition about an a leader. Could you please help me in booking a ticket from Charlotte?

ASSISTANT: Sure, May I know the journey codes?

USER: My airport codes are CLT and ATL.

ASSISTANT: Please help me with your travel dates.

USER: Sure, my travelling dates are 09/13 and return on 0.9/15.

ASSISTANT: Please give a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your preferable dates. Thank you for opting us.

USER: No problem, thank you for your information.