You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from SEA to LAS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are Aug 22 and Aug 24.

ASSISTANT: Do you have any limits on number of connections?

USER: I need single connection flight.

ASSISTANT: May I know your name?

USER: Myself Christopher Jones.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: Sorry, no flights available on your required dates.

USER: Ok, thanks for checking.

ASSISTANT: Welcome, thank you for reaching us.