You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Denver with my friends.

ASSISTANT: Ok.

USER: Can you do the reservation?

ASSISTANT: I will help you to do ticket reservation. Can you please tell me your airport codes?

USER: My airport codes are LAS-DEN.

ASSISTANT: Ok, please let me know your travel dates.

USER: My journey dates are 01/17 and 01/19.

ASSISTANT: Which flight do you need either a direct flight or a connecting flight?

USER: I need break in my journey.

ASSISTANT: Ok, can I know your good name please?

USER: Christine Davis here.

ASSISTANT: Is there any specific timings to depart and return?

USER: I am comfortable with any timings.

ASSISTANT: Ok, please give me a minute. In the meanwhile, share your other preferences.

USER: I do not have any other preference.

ASSISTANT: The Delta airlines is found which is providing the service in this route, the flight is having a connection limit one and the ticket cost is 100 in an economy class. Would you like me to proceed with the ticket booking?

USER: Please do the booking.

ASSISTANT: I have booked your ticket with the flight-1015, the depart time is 02:00 hours and return time is 16:00 hours. Have a nice journey.

USER: Thank you so much.

ASSISTANT: You are welcome. Thank you for reaching us.