You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you today?

USER: I am Mary Moore want to travel to CA-OAK to attend a Musical Concert from GA-ATL. Can you book a connecting flight?

ASSISTANT: Sure, we are gleeful to assist you. How much fare you are expecting for the flight ticket?

USER: I can afford 200 for the ticket.

ASSISTANT: Do you have any class preference?

USER:  I am comfortable with any class.

ASSISTANT: Kindly mention your planned travelling dates to proceed further.

USER:  My travel dates are 04/24 and 04/26.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Ok.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your essential details.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your help.