You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am James Lewis.

ASSISTANT: How may I assist you?

USER: I am planning to travel from EWR to ORD, help m in booking a flight?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Your booking is done in 01/04 to 01/06.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: James, no flights has been found on your planned travel dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.