You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: I am Stephanie Moore. I would like to fly to Charlotte, NC-CLT to meet my old friend to start a new business, can you help me in booing?

ASSISTANT: Sure, help me with your trip dates?

USER: My journey dates on 05/19 and 05/21.

ASSISTANT: Can I have your source code please?

USER: My source point is Houston, HOU. My price limit should be up to 200.

ASSISTANT: Sorry, there were no flights found with your given requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for approaching us.