You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Michael Mitchell.

ASSISTANT: Michael Mitchell, what can I do for you?

USER: I am planning to travel from SEA to IAH to attend my sister's wedding, could you please help me with booking a flight ticket? My travelling dates are 11/18 and 11/20.

ASSISTANT: Sorry, no flights currently available.

USER: That's ok. Thank you for the help.

ASSISTANT: We will let you know if the flight is available. Thanks for connecting.