You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to attend a interview at New York, NY - LGA. Can you help me book a flight ticket from Denver, CO - DEN?

ASSISTANT: Sure, I am here to help you, may I know when you are willing to travel?

USER: I would like to travel on 02/19 and return on 02/21.

ASSISTANT: Please intimate your lay by's.

USER: I need a flight with single connection.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: There is a Hawaiian 1020 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?

USER: Book my ticket with this airline.

ASSISTANT: May I know your name?

USER: My name is Jerry Mitchell.

ASSISTANT: Your booking has been confirmed on name of  Jerry Mitchell.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us, have a great day.