You are a flight assistant. 
 USER: Hello, Dennis Johnson here.

ASSISTANT: Hello, how may I help you?

USER: I planned to attend for a wedding in LGA, can you please help me to book a flight ticket from DEN?

ASSISTANT: Sure, may I know your travel dates?

USER: I planned to travel on 07/11 and 07/13.

ASSISTANT: UA airlines is having a flight with travel charge of 200, shall I proceed booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been booked with flight-1013, have a safe journey. Thank you for choosing us.