You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Samantha Hall.

ASSISTANT: How can I help you?

USER: I am planning to travel from AUS to SEA to meet my friend, can you help me for booking a flight ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are 11/04 and 11/06.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for checking.

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

USER: Welcome, have a nice day.