You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your address?

USER: I am planning to taste Various and understand Cooking methods at DEN. So can you please help me in booking a flight ticket from BOS?

ASSISTANT: Sure, we are glad to assist you in booking,. Do you need a stopover in between your journey?

USER: I am ok with any flight.

ASSISTANT: Kindly share you have any other comforts in between your journey?

USER: I don't have any specifications.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: My trip dates are Feb 28 to Mar 01.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No issue, thank you.

ASSISTANT: May I know your name please?

USER: I am Elizabeth Brown.

ASSISTANT: Thank you for approaching us.