You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you at this moment?

USER: I am planning to go Chicago to visit my sister's new house. Can you do the reservation?

ASSISTANT: Sure, I am here to help you. Could you please provide your travelling details?

USER: My airport codes are OAK-ORD.

ASSISTANT: When you are willing to travel to reach your sister's home?

USER: My travelling dates are 07/16 and 07/18.

ASSISTANT: Do you need break for refreshment?

USER: I need halt in my journey.

ASSISTANT: There is a UA 1005 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: May I know your name?

USER: Joshua Hill here.

ASSISTANT: Your booking has been confirmed on name of  Joshua Hill.

USER: Thank you.

ASSISTANT: Thank you for opting us, have a nice day.