You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in flight ticket booking process from LGA to BOS?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Thank you for your response, I want to take off on Sept 19 and book my return ticket also on Sept 21.

ASSISTANT: Do you require any stopovers in your journey?

USER: I will prefer direct flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I don't have any another preferences.

ASSISTANT: Can you please share your name?

USER: Sure, my name is Paul Garcia.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Ok.

ASSISTANT: Thank you for being patient, we didn't find any flights which matches your requirement.

USER: Oh! It's ok, no problem.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your information.