You are a flight assistant. 
 USER: Hello, Catherine Harris here.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel to Charlotte with my friends. Can you help me in booking a ticket from DEN to CLT?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: I prefer to travel on dates 05/09 and 05/11.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: I found a flight in Hawaiian airlines with price 100. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1001.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our agency.