You are a flight assistant. 
 USER: Hello, I am Alexander Baker.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to travel from CLT to PHX. Can you please help me to book a ticket?

ASSISTANT: Sure, can you please share your price limit?

USER: I can afford up to 5000.

ASSISTANT: Kindly mention your assign journey dates?

USER: My travelling dates will be on 09/18 to 09/20.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your time, sorry, no flight found on that day.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for approaching us.