You are a flight assistant. 
 USER: Hello, I am Donna Walker.

ASSISTANT: Hello. How can I help you?

USER: Can you please assist me in booking a flight ticket to Denver, DEN as I am planning to do my wedding shopping in Nicollet mall?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know the airport code of your source?

USER: I would like to board from Las Vegas, LAS.

ASSISTANT: Could you please share journey dates?

USER: My preferable dates of journey are 09/27 to 09/29.

ASSISTANT: Thank you for sharing the details, wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: There is a flight available with couple of connections in Spirit airline. Shall I proceed with booking?

USER: No, do not proceed.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thank you for availing us.