You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to travel from OAK to ORD as a business trip. Can you do the reservation?

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: My journey dates are 07/10 and 07/12.

ASSISTANT: Do you have any other requirements?

USER: Price should not cross 5000.

ASSISTANT: May I know your good name please?

USER: Charles Phillips here.

ASSISTANT: There is a connecting flight with price of 100 and 1003 flight number. Shall I proceed?

USER: Go ahead.

ASSISTANT: Your seat has been reserved with UA airline.

USER: Thank you, You have done a good job.

ASSISTANT: Thank you for reaching us.