You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Emily Robinson.

ASSISTANT: Hope you are doing good Emily.

USER: I want to travel from OAK to ORD, as I need to attend the event in Oakland.

ASSISTANT: Ok, can I know your travelling dates?

USER: My journey dates are 10/13 to 10/15.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found matching your details.

USER: No problem. Thank you for your time.

ASSISTANT: You are welcome.