You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Lisa Thompson.

ASSISTANT: How can I help you today?

USER: I am looking for a flight from SEA to LAS, can you help me in booking?

ASSISTANT: Sure, let me know your travel dates please.

USER: Sure, my planned travel dates are Nov 21 and Nov 23.

ASSISTANT: Do you have any class preference?

USER: No, I am looking for a afternoon flight to start my journey with 1 connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there are no flights running on your desired routes.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.