You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are 07/22 and 07/24.

ASSISTANT: Is there any connection preference?

USER: I need break in my journey.

ASSISTANT: May I know your name please?

USER: Margaret Jones here.

ASSISTANT: Do you have any other specifications?

USER: Departure time should be evening.

ASSISTANT: Margaret Jones, there are no flights available in your route.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.