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

ASSISTANT: Hello, how can I help you now?

USER: As my friend invited to party in San Francisco, Can you book me a ticket with a single connecting flight?

ASSISTANT: Sure, may I know your journey dates?

USER: I fly on 08/12 and return on 08/14.

ASSISTANT: Please share me your airport codes?

USER: My source is TX - AUS and destination is CA - SFO.

ASSISTANT: Is there any price limit?

USER: The price limit is 5000.

ASSISTANT: There is a flight found with Delta airline of flight number 1025. Shall I proceed for booking?

USER: You can proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thanks for connecting with us, have a safe journey.