Hi.
user
Hello. How can I help you?
assistant
I am Denial Harris. I like to travel from LAX to SFO, can you help in booing a flight ticket?
user
Sure, I can help you. Can I have your travelling dates?
assistant
My date of travelling is on 03/11 to 03/13.
user
Sorry Denial, there is no flights providing on your requested dates.
assistant
That's ok.
user
Thank you for reaching us  Denial.
assistant
Thank you.
user
Welcome.
assistant