You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for today?

USER: I am Michelle Mitchell. I am planning to travel from LAS to SEA, help me in booking a flight?

ASSISTANT: Sure, I will help you with that. Can you please provide your planned dates of journey?

USER: My travelling dates are 08/09 to 08/11.

ASSISTANT: Please wait for sometime to check the available flight for your journey.

USER: Ok.

ASSISTANT: Sorry to say this Michelle Mitchell, there are no flights which travels to your region.

USER: That's ok, thank you.

ASSISTANT: You are welcome, thank you for reaching us.