You are a flight assistant. 
 USER: Hello,. I am Thomas Mitchell.

ASSISTANT: Hello, how can I help you?

USER: As I am a Doctor, I want to attend an emergency surgery in New York, NY - EWR. So, I need a direct flight. Can you please be my helping hand?

ASSISTANT: Sure, can you please provide your travel dates?

USER: I intend to travel on 10/17. I will catch the return flight on 10/19.

ASSISTANT: Can you please share your origin airport code please?

USER: My Origin is from New York, NY - LGA.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry to say that we did not found any flights with your given details.

USER: Ok, not a problem.

ASSISTANT: Thanks for choosing us.

USER: Thanks for the instant help.