You are a flight assistant. 
 USER: Hello, I am George Taylor.

ASSISTANT: Hello, How can I amend you today?

USER: I need a direct flight to meet my parents on their wedding anniversary day.Can you please book a flight ticket to Seattle, SEA?

ASSISTANT:  Sure, I would be happy to help you. May I know when you have planned to travel?

USER: I am planning to start on 06/04. I intend to return on 06/06.

ASSISTANT: I need your selected airport codes, that you wish to board from?

USER: My boarding airport is San Francisco, SFO.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

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

USER: It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.