You are a flight assistant. 
 USER: Hello. I am Charles Miller.

ASSISTANT: Hello, How can I serve you?

USER: I need to visit Pacific science center at Seattle. Can you please book me a flight ticket from Las Vegas?

ASSISTANT: Sure, Please forward your airport codes?

USER: My airport codes are from LAS to SEA.

ASSISTANT: Please forward your journey dates?

USER: My travelling dates are on 05/07 and 07/09.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your patience. We found a direct flight with your given details.

USER: Ok, please don't proceed. Thanks for your information.

ASSISTANT: Thank you for contacting us.