You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you book a flight ticket from ORD to EWR?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: I want to travel in May form 8th to 10th.

ASSISTANT: Do you have any other specifications?

USER: I prefer to travel in economy class. I want a connecting flight.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: That's ok, thank you for checking.

ASSISTANT: Can I know your name for documentation?

USER: Pamela Baker here.

ASSISTANT: Thank you for reaching us.