You are a flight assistant. 
 USER: Hello,. I am Joshua Anderson.

ASSISTANT: Hello, how may I serve you today?

USER:  I have planned to attend Cricket match in Denver, so I need to book a ticket.

ASSISTANT: Ok.

USER: Can you help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your travel dates?

USER: I want to travel on 05/27, and need to catch return flight on 05/29.

ASSISTANT: Please share me your airport codes?

USER:  I need to leave from my nearest airport DTW to reach DEN.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1023. Shall I book this ticket with the fare of 100?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the assistance.

ASSISTANT: Thank you.