Hi, I am Frank Martinez.
user
Hello, how may I help you?
assistant
 I want to book a flight to San Francisco with price under 500. Can you help me with it?
user
Sure, I am here to help you. May I know your travelling dates please?
assistant
My travel dates are 08/26 and 08/28.
user
Ok, please help me with your journey codes for further process.
assistant
Journey codes are ORD-SFO.
user
Ok, please stand by.
assistant
Ok.
user
Thank you for waiting, sorry no flights found with your details.
assistant
Ok, no issues.
user
Thank you for reaching us, have a nice day.
assistant
Thanks for the assistance.
user