You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Joshua Martinez. I would like to book a ticket from OAK to LAS, can you please help me out?

ASSISTANT: Sure, tell me your travel dates please?

USER: I am travelling on these dates 02/04 and 02/06.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry there is no single connection flight available with us.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you.