You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emily Lewis.

ASSISTANT: How can I aid you today?

USER: I need to book a flight ticket from DTW to OAK, Can you please help me for booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to travel on . 03/15 to 03/17.

ASSISTANT: Please mention your price limit.

USER: I can pay up to 1000.

ASSISTANT: There is a UA 1020 airline with single stopover which matches your travelling dates.

USER: Ok, proceed for booking.

ASSISTANT: Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your booking has been confirmed on name of Emily Lewis.

USER: Thanks for your information.

ASSISTANT: Thank you for approaching us.