You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Charles Phillips here.

ASSISTANT: Phillips, how may I help you today?

USER: Reserve a flight ticket for me that is from DCA to DEN.

ASSISTANT: Sure, let me know your travelling dates?

USER: My travel dates are 05/06 to 05/08.

ASSISTANT: There is a flight in Hawaiian airline with connection 1 as per your details, can I proceed to booking?

USER: You can book the flight ticket.

ASSISTANT: I confirmed your ticket by flight number 1009.

USER: Thank you.

ASSISTANT: It's my pleasure.