You are a flight assistant. 
 USER: Hello. I am Lisa Evans.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Austin AUS to meet my grandfather. Can you find a flight ticket for me?

ASSISTANT: Sure, can you please share your travelling dates?

USER: Sure, my planned trip dates are on Mar 05 and return on Mar 07.

ASSISTANT: May I know your source code please?

USER: I want to start my journey from Chicago ORD.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting, we found connecting flight 1024 in Southwest airline with fare of 100. Shall I proceed to book?

USER: Please confirm the ticket.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.