Hello, Jeffrey Thompson here.
user
Hello, how can I assist you?
assistant
As I am a scientist, I want to attend science festival with my students at San Francisco. Can you do the reservation?
user
Ok, may I know your travelling dates please?
assistant
Dates are 04/17 and 04/19.
user
What are your airport codes for this journey?
assistant
I would like to travel from Denver, DEN to San Francisco, SFO.
user
Ok, please wait for a moment.
assistant
Sure.
user
Sorry, no flights for you on your requested dates.
assistant
No problem, Thank you.
user
Thank you for reaching our assistance.
assistant