You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: I am Linda Hill. I would like to book a ticket from EWR to SFO, can you please help me out?

ASSISTANT: I am glad to help you about that. Can you please provide your planned dates of journey?

USER: I am travelling on these dates 07/08 and 07/10.

ASSISTANT: Sorry Hill, there is no flights on your planned dates of journey. Hope you have a nice day.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome.