You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Seattle, will you help me in booking the flight ticket from LAS to SEA?

ASSISTANT: Sure, I can help you. May I know your itinerary dates?

USER: My preferable journey dates are July 10 and July 12.

ASSISTANT: Which class do you prefer?

USER: I am comfortable in any class.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: May I know your name?

USER: Myself Emily Baker.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Sorry Emily Baker, no flights are available on your route.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.