You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can i help you?

USER: I need to give presentation in Independence Hall which is in Philadelphia.

ASSISTANT: Please provide your airport codes of travelling.

USER: Can you please find a flight from DEN to PHL?

ASSISTANT: May I know your travelling dates please?

USER: Sure, I have planned my travel dates as 03/25 and 03/27.

ASSISTANT: Please provide your good name to proceed further.

USER: Sure, myself Samantha Adams.

ASSISTANT: Samantha Adams, there is a flight 1001 of AA airlines available on this route. Shall I book your ticket?

USER: That's perfect. Please confirm it.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe journey.

USER: Most welcome.