You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Please book me a flight ticket from OAK to MCO to meet my family.

ASSISTANT: On which dates you are planning to travel?

USER: I have planned to travel on July 25th and return on July 27th.

ASSISTANT: Do you prefer any connections?

USER: I prefer connecting flight.

ASSISTANT: May I know your specifications?

USER: No thanks.

ASSISTANT: There is a connected flight in Delta airlines with the fare 100.

USER: Ok, please book this ticket.

ASSISTANT: On whose name I should reserve?

USER: Sandra Harris.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.