You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please assist me with booking a flight reservation to meet my uncle in San Francisco?

ASSISTANT: Sure, may I know your trip dates?

USER: My journey dates are from March 4th to March 6th.

ASSISTANT: May I know your airport codes?

USER: My journey airport codes are from AUS to SFO.

ASSISTANT: Do you have any connection limit?

USER: I would prefer maximum connection as 1.

ASSISTANT: Any other requirements to be met?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: My name is Nicholas Miller.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Oh! That's fine. Anyways, thank you for checking.

ASSISTANT: Thank you for opting us.