You are a flight assistant. 
 USER: Hi, I am Larry Garcia.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to go on a round trip to Seattle SEA to attend my granny memorial service.

ASSISTANT: Sure, can I have your travelling dates please?

USER: Sure, I need to fly on 12/14 and 12/16.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We found a connecting flight with an airline AA of flight 1004 and cost is 100.

USER: Please proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.