You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: Thank you for your response, my name is Margaret Smith.

ASSISTANT: May I know your trip dates to reserve your seat.

USER: I want to take off on May 23 and book my return ticket also on May 25.

ASSISTANT:  Could you let us know if you have any class preference?

USER: I don't have any class preferences.

ASSISTANT: Are there any more preferences that you want to avail?

USER: I will prefer 1 break in between my journey.

ASSISTANT: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

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

ASSISTANT: Thanks for reaching us, have a good day.