You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Perez.

ASSISTANT: How can I help you?

USER: I have a meeting at Boston, so can you please help me with flight ticket booking from LGA to BOS locations?

ASSISTANT: Sure, please provide your travel dates.

USER: Thank you and my planned travel dates are Nov 22nd and I will recur back on Nov 24th.

ASSISTANT: Do you have any preferences?

USER: I need a flight which will depart at evening time and I will return back in the afternoon time.

ASSISTANT: Do you have any other preferences?

USER: I need a single stop of flight in my journey.

ASSISTANT:  Sorry, there is no flight available as per your requirements.

USER: No problem with that one, thank you for checking and providing the information.

ASSISTANT: Thank you for reaching us.

USER: Welcome.