You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I am George Harris.

ASSISTANT: Ok.

USER: I want to fly from  Charlotte to Seattle. Can you please book a ticket single connection of flight?

ASSISTANT: Sure, I will help you, may I know your travelling airport codes?

USER: Sure, my travelling airport codes are from Charlotte, NC - CLT to Seattle, WA - SEA.

ASSISTANT: May I know your corresponding travelling dates?

USER: My travelling dates are from 03/05 to 03/07.

ASSISTANT: Please hold on.

USER: OK.

ASSISTANT: Sorry  George Harris, no flights found on your requested dates.

USER: OK, not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thanks for the information.