You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how could I assist you today?

USER: Can you please hold me a flight ticket with the name of Karen Baker?

ASSISTANT: Sure, may I know your preferable dates?

USER: My trip dates are 10/13 - 10/15.

ASSISTANT: Can you please share me your airport codes?

USER: I want to fly from MN - MSP to reach TX - AUS.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight with UA airline of flight number 1029 with price 100. Shall O confirm your booking?

USER: Please proceed if it is a direct flight.

ASSISTANT: Sorry to say that there is no direct flight found.

USER: It's ok, thank you for your service.

ASSISTANT: Thank you for choosing us.