You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Hall.

ASSISTANT: How can I help you?

USER: I am looking for a flight from CLT to JFK, can you please help me out?

ASSISTANT: Sure, I am here to help you to book a flight ticket. Can you please share me your travelling dates?

USER: I am planning to start my journey on 10/18 and return back on 10/20.

ASSISTANT: Please allow me a moment to check the flight availability on your route.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to inform you that, no flights are available on your route with your travelling dates.

USER: That's ok, I will choose any other way to reach my destination on time. Anyway thank you for your information.

ASSISTANT: I hope you reach your destination on time, thank you for choosing us.

USER: Welcome.