You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Emma Young. Could you please help me with booking a flight ticket to WA-SEA from NV-LAS?

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

USER: Sure, 04/29 and 05/01 are my travelling dates.

ASSISTANT: Sorry, there is no flights found on your given details.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for choosing us.