You are a flight assistant. 
 USER: Hello. I am Margaret Lopez.

ASSISTANT: Hello, how may I be at your service?

USER:  I would like to know about the Hindu culture, so I want to book a flight ticket to visit International Swaminarayan Satsang Organization in Oakland. Could you please help me in booking a ticket with single connection?

ASSISTANT: Sure, when are you planning to travel?

USER: My travelling dates are 12/09 and return on 12/11.

ASSISTANT: Kindly mention your airport codes.

USER: My airport codes are CLT and OAK.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.