You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Mary Allen here, I want to reserve my ticket from SFO to PHL, can you please help me in this?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: Sure, my dates of journey is from 09/25 to 09/27.

ASSISTANT: Do you need any connecting flight?

USER: Yes, I want a connecting flight.

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: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for consulting us.