You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Sandra Parker. Can you please help me in booking my flight ticket from EWR to BOS?

ASSISTANT: Ok, can you share your preferable travelling dates?

USER: Ok, my travelling dates are 06/10 and 06/12.

ASSISTANT: Ok, please be on hold.

USER: Ok, sure.

ASSISTANT: Parker, it's sad to hear that there are no flights found on this route.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching us.