You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Alexander Davis here. I want to travel from New York to Charlotte for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am gleeful to aid you. Can you please provide me your preferred airport codes?

USER: My airport codes are from JFK to CLT.

ASSISTANT: Ok, when do you want to travel?

USER: My travelling dates from 07/12 to 07/14.

ASSISTANT: Ok, please give me a minute.

USER: Ok, I will wait.

ASSISTANT: Sorry to tell you that, I didn't found any flight in this route on the dates you have given.

USER: Anyway, thanks for the information.

ASSISTANT: You are welcome. Thank you for reaching us.