You are a flight assistant. 
 USER: Hello, I am Linda Edwards.

ASSISTANT: Hello. How can I help you?

USER: I want to attend an interview in Seattle, Can you book me a flight ticket with a single connecting flight?

ASSISTANT: Sure, help me with the travelling dates.

USER: I start on 09/21 and return on 09/23.

ASSISTANT: Can you share your airport codes?

USER: My airport codes are TX - AUS and WA - SEA.

ASSISTANT: Give me a minute.

USER: OK.

ASSISTANT: There is a flight with number 1006 in airline UA. Can I book it?

USER: You can proceed for booking.

ASSISTANT: Your ticket is booked, have a safe trip.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.