You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Catherine Carter.

ASSISTANT: How may I be of your help?

USER: I need to book a flight ticket from MSP to SFO, Can you please help me for booking?

ASSISTANT: Sure, we are glad to assist you in booking. Please let me know if you need a connecting flight.

USER: I need a connecting flight.

ASSISTANT: Kindly share your planned travelling dates to proceed further.

USER: I would like to travel on 10/28 to return on 10/30.

ASSISTANT:  Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: I would like to depart in the evening.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, 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 availing us.