You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Gary Perez. Will you help me in booking the flight ticket from ORD to IAH?

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

USER: My travelling dates are 10/02 and 10/04.

ASSISTANT: Ok, wait a moment please.

USER: I will wait for your response.

ASSISTANT: There is a flight in UA airline with price 600, can I book it?

USER: My price limit is 500, will you help me with that?

ASSISTANT: I am giving 100 discount for you as your are requesting, can I book it?

USER: Ok, you can proceed with the booking.

ASSISTANT: Your ticket has been booked with flight number 1007.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.