You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you today?

USER: Would you please book a ticket from Austin?

ASSISTANT: Sure, let me know your name.

USER: I am Mary Allen.

ASSISTANT: Mary Allen, may I know your travel dates?

USER: June 22 and June 24 are the journey dates.

ASSISTANT: Kindly, share your connection limit.

USER: I would prefer to go with a connecting flight.

ASSISTANT: Ok, Could mention your airport codes?

USER: Sure, the airport codes are AUS and SFO.

ASSISTANT: Thanks for sharing your details, there are no flights found in search.

USER: Ok, Thank you for the quick response.

ASSISTANT: Thank you for reaching us.