You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Donald White.

ASSISTANT: How may I help you?

USER: I would like to visit Austin to meet my friend, please help me in booking a ticket from SEA to AUS.

ASSISTANT: Sure, please share your trip dates.

USER: Sure, I need to travel on dates of 01/14 and 01/16.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: White, no flights has been found on your journey dates.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for choosing us.