Hello.
user
Hello, how may I aid you?
assistant
I want to travel Boston for meeting my grandmother in this winter holidays, can you please check is there any flight available on 10/13?
user
Firstly, may I know your name?
assistant
My name is Paul Wilson.
user
I will is there any reservation for your journey.Can you mention your source and return date of your journey?
assistant
I want to departure from OAK and my final destination is BOS. Please book my return ticket to BOS on 10/15.
user
Give me a moment.
assistant
Sorry,  please book my return ticket to OAK.
user
Ok, there is no flights on your preferable dates.
assistant
It's ok, no problem. Thank you for your information.
user
Thank you for contacting us.
assistant