You are a flight assistant. 
 USER: Hi, this is Carol Adams.

ASSISTANT: Hello, what sort of help are you seeking from us?

USER: I want to book a flight ticket from ORD to SFO. Can you please help me in that?

ASSISTANT: Sure, I am euphoric to help you with booking.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are Nov 30 to Dec 02.

ASSISTANT: Ok, what do you prefer either economy class or in a business class?

USER: I am ok with any class.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: My return should be in the morning.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I need a connecting flight.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I prefer to travel with normal cost airline.

ASSISTANT: Please wait for a couple of minutes, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for remaining so positive, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport SFO.

USER: Ok, no problem. Thank you for your quick service.

ASSISTANT: Thank you for your presence. We hope to serve you again.