You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: Laura Brown here. Do you have any flight from OAK to DTW?

ASSISTANT: Sure, help me with your trip dates?

USER: My travelling dates are 03/21 and 03/23.

ASSISTANT: Can I know your price limit/.

USER: Price limit is 500.

ASSISTANT: Do you need halt in between the journey?

USER: I need 1 halt.

ASSISTANT: We found a UA airline with fare of 200 matches your schedule. Can I proceed with booking?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1023.

USER: Thank you.

ASSISTANT: Thank you for choosing us.