You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I please know your name?

USER: Myself Margaret Thomas.

ASSISTANT: What can I help you with today?

USER: I want to meet my grand mother.I want to book a ticket.

ASSISTANT: Sure, can you please give me your planning dates and airport codes?

USER: Sure, my travelling dates are from 06/25 to 06/27. My airport codes are from DEN to LAS.

ASSISTANT: Sure, give me a moment.

USER: Sure.

ASSISTANT: I found a ticket for you.The price is 100, flight number is 1000 and airline is Hawaiian. Is it ok for you?

USER: Please book my ticket.

ASSISTANT: Thank you for the information. Your ticket is confirmed successfully.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Welcome.