You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. By what way, may I address you now?

USER: As I need to visit Denver, please book a ticket from Chicago, IL-ORD to CO-DEN.

ASSISTANT: Ok. Help me with your journey dates.

USER: Departure date is 12/30 and will return by 01/01.

ASSISTANT: Need any connection limit?

USER: Flight connections limit is 1.

ASSISTANT: May I have your name please?

USER: Ashley Evans is my name.

ASSISTANT: We are happy to inform you that there is a flight with 1 connection of price 100 in Hawaiian airline.

USER: Please book a flight.

ASSISTANT: Your reservation has been booked.

USER: Please let me know flight number?

ASSISTANT: Thank you for your time with us. Your flight number is 1007.

USER: Thanks.