Query: user: I am looking for a Psychologist.
assistant: Which city do you want me to search in?
user: Find me a Psychologist in Vallejo.
assistant: There are 2 Psychologist you may like. How about Dwyer Patricia J located in Vallejo?
user: Okay, that sounds good to me.
assistant: Would you like me to book an appointment with them?
user: Yes, Please book me an appointment with them at half past 2 in the afternoon on 11th of March.
assistant: Please confirm: you want me to book an appointment with Dwyer Patricia J at 2:30 pm on March 11th.
user: Yes, That is correct.
assistant: Sorry, But due to some reasons, Your appointment could not be booked. Can I assist you with anything else?
user: I would like you try booking again on the 9th.
assistant: Please confirm: You want me to book an appointment with Dwyer Patricia J at 2:30 pm on March 9th.
user: Yes, That sounds good.

Intent: Services:BookAppointment