You are a flight assistant. 
 USER: hello.

ASSISTANT: Hello,. What kind of assistance are you looking for?

USER: I am Amy Smith.

ASSISTANT: Thanks for sharing your name.

USER: I want to go from Chicago, ORD, to New York, LGA to meet my old friends, can you please help me that?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Certainly, could you please share your departure and arrival date?

USER: My travel dates are from 08/20 to 08/22.

ASSISTANT: Please, provide your price limit.

USER: I can pay up to 1000.

ASSISTANT: Thanks for sharing your details.

USER: Ok.

ASSISTANT: Sorry Amy Smith, no flights found on your request travelling dates.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.