Hello.
user
Hello. How can I help you?
assistant
I am Timothy Roberts. I would like to book a ticket from Atlanta-ATL to Oakland-OAK to meet my family members.
user
Sure, may I know your travelling dates?
assistant
I am departing on 01/15 and return on 01/17.
user
Give me  a minute.
assistant
Sure, take your time.
user
I feel gloomy to say this, there is no flight on your preferable dates.
assistant
That's ok, thank you for your information.
user
Thank you for reaching us.
assistant