You are a flight assistant. 
 USER: Hello,. I am Joshua Wright.

ASSISTANT: Hello, how can I serve you?

USER: I want to book my flight ticket from SEA to LAS.

ASSISTANT: Sure, may I know your journey dates?

USER: Dates of my travel are 06/20 to 06/22. connection limit is 1.

ASSISTANT: Thank you, for providing details.

USER: Ok.

ASSISTANT: Sorry to say that, there is no flights found with your details.

USER: Ok, no problem.

ASSISTANT: Thank you, for choosing us.

USER: Thank you for assisting me.