You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Anthony Lee.

ASSISTANT: How can I render you today?

USER: I want to go to my grandmother memorial service at Oakland, CA - OAK. Can you please help me in booking?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: Where are you heading from?

USER: I want to head from Washington DC - DCA.

ASSISTANT: When did you schedule your trip?

USER: My scheduled dates are 04/25 and recur on 04/27.

ASSISTANT: Thanks for your details. There is a plane 1017 of UA airline with a connecting flight with the fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us, have a nice day.