You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a flight from DEN to ORD?

ASSISTANT: Sure, I am happy to help you and can I know your journey dates to reserve a flight ticket?

USER: Thank you, I will travel on Jan 18th and 20th.

ASSISTANT: May I know your name please?

USER: My name is Barbara Carter.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is a flight in Hawaiian Airlines with a fare of 100 and the flight is an economy class, can I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your flight ticket booking is done in 1019 flight in the above mentioned airlines.

USER: Thank yo for your help.

ASSISTANT: You are most welcome and have a happy journey.