You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Space Needle at Seattle, will you be my helping hand in reservation?

ASSISTANT: Sure, I will help you. To book a flight I need your travel dates?

USER: I want to fly on 07/26 and return on 07/28.

ASSISTANT: May I know your airport abbreviates?

USER: My origin airport code is TX-AUS and destination airport code is WA-SEA.

ASSISTANT: To proceed further may I know your good name please?

USER: I am David King.

ASSISTANT: Ok, please wait for a second. I will get back to you.

USER: Please make sure that I want a direct flight.

ASSISTANT: Ok. We found a connecting flight with your credentials.

USER: Ok, please do not proceed for booking.

ASSISTANT: Ok. Thank you for contacting us.

USER: Thank you for giving information.