You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I aid you now?

USER: I want to head from Las Vegas, NV - LAS to meet my family doctor. Can you hold me a flight ticket to New York?

ASSISTANT: Sure, I can book a ticket for you.

USER: Ok.

ASSISTANT: Please help me with your travel dates?

USER: Sure, 01/17 and 01/19 are my travel dates.

ASSISTANT: Ok, mention your destination code here?

USER: I want to travel to NY - LGA.

ASSISTANT: A 1001 plane in Hawaiian airline with fare 100 available for you. Shall I confirm?

USER: Please confirm my booking with the name of Mark Nelson.

ASSISTANT: Ok, your booking has been confirmed.

USER: Thanks for helping me.

ASSISTANT: Thanks for reaching us.