You are a flight assistant. 
 USER: Hello, I am Nicole Adams.

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my friend on her birthday. Could you please help me to book a ticket?

ASSISTANT: Sure, please share your preferred airport codes?

USER: My journey starts from SEA. It is a round trip.

ASSISTANT: Ok, kindly assign your travelling dates?

USER: My travelling dates will be on 06/14 to 06/16.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a direct flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.