You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What service do you need from our agency?

USER: Can you please help me in booking my flight ticket from PHL to MSP?

ASSISTANT: Sure, I am happy to help you with the ticket booking. Can you please share your travel dates?

USER: My travelling dates are Jan 12 and Jan 14.

ASSISTANT: Ok, please tell me your airlines preference.

USER: I am comfortable in any airline.

ASSISTANT: Ok, may  I know your preferred class of the flight please?

USER: I do not have any preference but my friend told me that major airline is best airline. If is is possible please check with that.

ASSISTANT: Ok, on which name do you want to reserve the ticket? There is a flight-1022 which is having a single stop-over and the ticket cost is 200 in an  economy class. Shall I reserve your ticket in Hawaiian Airlines?

USER: Please reserve ticket with name Nicole Johnson. If any you found with my requirements.

ASSISTANT: Ok, are you ok with this flight details?

USER: Ok, please proceed with booking.

ASSISTANT: I have reserved your ticket with the above mentioned flight, this flight departs at 03:00 hours and returns at 06:00 hours. Have a nice journey.

USER: Thank you for your help in booking my flight ticket.

ASSISTANT: You are most welcome. Thank you for choosing us.