You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am looking for a flight from MCO to DCA, can you help me in booking?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: On what dates you want me to make the reservation?

USER: My planned travel dates are Oct 25 and Oct 27.

ASSISTANT: Are you okay with connecting flight or you need a direct flight?

USER: Please look for a connecting flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I would like to return my journey for the evening flight in a business class.

ASSISTANT:  Ok, Can I know your name?

USER: Myself Jessica Baker.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure, I will wait for your response.

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

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for picking us.