You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER:  I am Brian Hill here. I need to book a flight ticket, can you please help me?

ASSISTANT: Sure Hill, can I know the travel dates please?

USER: My respective travelling dates are from 08/08 to 08/10.

ASSISTANT: Could you please provide the airport codes?

USER: I need to start journey from JFK to IAH.

ASSISTANT: There is a flight in UA airline with price 100, can I book it?

USER: Ok, you can proceed with that booking.

ASSISTANT: Your ticket has been booked with flight number 1012.

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

ASSISTANT: Thank you for approaching us.