You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, May I know your good name?

USER: I am planning to celebrate this valentine's day with my valentine, Can you assist me in booking a ticket?

ASSISTANT: Sure. May I know your airport codes?

USER: I need a ticket from DEN to CLT.

ASSISTANT: Please provide your travelling dates.

USER: My depart day is on 02/13. And arrival is on 02/15.

ASSISTANT: There is a flight available with Frontier airline, flight number 1003 with price 100 an 1 connection.

USER: Please book this ticket under the name of Mary Martin.

ASSISTANT: Your flight is confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.