You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I am Carolyn Lee. I need to book a flight ticket from DCA to MSP, Can you please help me for booking?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: I would like to travel on 04/08 to return on 04/10.

ASSISTANT: Do you have any connection limit?

USER: I am comfortable with any connecting flight.

ASSISTANT: On whose name I have to reserve the flight ticket?

USER: I have already mentioned above.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I would be return on evening.

ASSISTANT: Any class preference do you have?

USER: I am comfortable with any class.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us, have a great day.