You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Susan Robinson. I want to book a ticket from ORD to EWR, can you help me?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My travel dates are 05/16 and 05/18.

ASSISTANT: Do you need any halt?

USER: I need a connecting flight.

ASSISTANT: Susan Robinson, there are no flights available in your route.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.