You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to attend a event in San Francisco, can you please make  a reservation from AUS to SFO?

ASSISTANT: Sure, kindly mention the dates of your journey.

USER: My journey start on Nov 12th, and arrival on Nov 14th.

ASSISTANT: Is there any connection limit?

USER: Yes, I prefer a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: My depart time must be in the afternoon.

ASSISTANT: May I know your name?

USER: My name is Nicholas White.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.