You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please make a reservation with the name of Debra Carter to attend  a meeting in San Francisco?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: My journey start on Sept 9th, and arrival on Sept 11th.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: My airport codes are, OAK to SFO.

ASSISTANT: Let me know your connection limit?

USER: I prefer a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: My return flight time must be in the afternoon.

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

USER: Sure.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.