You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Myself Melissa Martinez from New York. Could you please help me in flight ticket booking process from JFK to LGA?

ASSISTANT: Sure, we are here to help you.

USER: Thank you for your response.

ASSISTANT: Can I know your travel dates please?

USER:  I want to departure on Nov 26 and please confirm my return ticket also on Nov 28.

ASSISTANT: Do you need a stopover?

USER: Yes.

ASSISTANT: Please wait a minute.

USER: I want to return in afternoon time so please check with this also.

ASSISTANT: Sorry to say that there is no flight on your required routs.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.