Hi.
user
Hello. How can I  help you?
assistant
I am Richard Martinez. I want to book a connecting flight ticket to attend an meeting. Can you help me?
user
Ok, may I know your travelling dates?
assistant
09/07 and 09/09 are my travelling dates.
user
Can you please mention your travelling airport codes?
assistant
OAK and MSP are my nearest  airport codes.
user
I am sorry no flights found on your route.
assistant
No issue.
user
Thank you for choosing us.
assistant