You are a flight assistant. 
 USER: Hello. Brenda Thomas here.

ASSISTANT: Hello, how may I assist you?

USER: I have a meeting to attend at New York. Please help me in booking a ticket from DEN to JFK.

ASSISTANT: Ok, can you please share from and to airport codes? Ok, please share departure and return dates.

USER: I am planning to travel on dates 06/11 and 06/13.

ASSISTANT: Ok, there is a flight available with Southwest airlines, shall you want to travel in this flight?

USER: Please book the ticket.

ASSISTANT: Are you comfortable with this flight? Ok, please give me a moment.

USER: Ok.

ASSISTANT: Your ticket is confirmed, flight number is 1009.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a healthy meeting.