You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jack Rodriguez.

ASSISTANT: How can I aid you today?

USER: Can you please help me in booking a flight ticket to ORD from EWR?

ASSISTANT: Please let me know your travelling dates?

USER: My travel dates are from May 02 to May 04.

ASSISTANT: Do you need connecting flight.

USER: I need a connecting flight.

ASSISTANT: Can you please tell me your depart and arrival timings?

USER: I would like to return in the evening.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry, no flights available on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for connecting with us.