Hello, I am Jeffrey Parker.
user
Hello, how can I assist you at this moment?
assistant
Please, reserve me a flight ticket from PHL to SFO.
user
Sure, I will help you with this. Can you please provide your journey dates?
assistant
I am travelling from Aug 17 to Aug 19.
user
Do you need any halt in this journey?
assistant
Yes, I need  a halt in between my journey.
user
Which class do you prefer to travel for this trip?
assistant
I prefer economy class.
user
Wait a moment please.
assistant
Sure.
user
Jeffrey Parker, we regret to inform you that there are no flight services available on this route on your provided dates.
assistant
No problem, thank you for the information.
user
Thank you for opting us.
assistant