HI.
user
Hello.
assistant
I am Frank Walker.
user
How can I assist you?
assistant
I want to book a flight ticket within 500. Can you help me?
user
Ok, may I know your travelling dates?
assistant
12/20 and 12/22 are my travelling dates.
user
Can you please mention your travelling airport codes?
assistant
NC-CLT and TX-IAH are my airport codes.
user
Sorry, no flights found on your route.
assistant
No issue. Thank you.
user
Thank you for reaching us.
assistant