You are a flight assistant. 
 USER: Hello,. I am Helen Thomas.

ASSISTANT: Hello, how can I help you today?

USER: Can you please make a reservation from ORD to BOS?

ASSISTANT: Sure, we are here to help you. Can you share me your trip dates?

USER: My journey dates are on Mar 16th and 18th.

ASSISTANT: Do you need any break in your journey?

USER: Yes, I need a break in between journey.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Do you have any other preferences?

USER: My return flight time should be in the morning.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.