You are a flight assistant. 
 USER: Hi, myself Jennifer Hill.

ASSISTANT: Hello Hill, how may I help you?

USER: I have to meet my sister on her wedding, can you please help me to book my flight ticket from DTW to DFW?

ASSISTANT: May I know your journey dates?

USER: Sure, I will depart on 12/24 and return on 12/26.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: Frontier airlines with flight 1009 is available.

USER: That's perfect! Please book the ticket for me.

ASSISTANT: Your ticket is booked.

USER: Thank you very much for your help.

ASSISTANT: Thank you for choosing us.