You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Baker.

ASSISTANT: How may I help you?

USER: I planned to attend for a wedding in JFK, can you please help me to book a flight ticket from BOS?

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

USER: I planned to travel on 08/19 and 08/21.

ASSISTANT: Please tell me your destination details? Ok, wait for a moment. I will check for the available flights.

USER: Sure.

ASSISTANT: Thanks for your time. But I am sorry to say that presently there are no flights available.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thanks for contacting us.