You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to celebrate my father's birthday as a sudden surprise to him at DEN, please help me in booking a ticket CLT.

ASSISTANT: That's great to hear form you, may I know your good name please?

USER: My name is Mary Thompson.

ASSISTANT: What will be your preferable dates for this journey?

USER: My travelling dates are 03/06 and 03/08.

ASSISTANT: Mary Thompson, there is a flight available for you with 1 connection at the price of 100. Can I book it for you?

USER: Proceed with booking.

ASSISTANT: Your booking is confirmed with flight by Hawaiian airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Have a nice day.