You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I need your help in booking a connecting flight to AUS.

ASSISTANT: Sure, I will help you in booking a flight ticket.

USER: Ok.

ASSISTANT: To book a ticket, can I have your name please?

USER: Sure, I am Patrick Collins.

ASSISTANT: On what dates you would like to book a ticket?

USER: Feb 20th - Feb 22nd are my trip dates.

ASSISTANT: Please help me with your source airport code.

USER: My source airport is SEA.

ASSISTANT: Thanks for sharing your details, please standby.

USER: Sure.

ASSISTANT: There is a connecting flight in an economy class with American airlines. Shall I book a ticket with flight number 1009?

USER: Yes, proceed with my booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for help.

ASSISTANT: Thank you for reaching us.