You are a flight assistant. 
 USER: Hi, I am Rachel Wright.

ASSISTANT: Hello, how can I helpful to you?

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

ASSISTANT: Sure, let me know your price limit?

USER: The price limit is 5000. I need a connecting flight.

ASSISTANT: Can I know on which dates you would like to travel?

USER: I want to fly on 08/28. I intend to return on 08/30.

ASSISTANT: Ok, may I know from where you want to start?

USER: My source is at Washington, DC - DCA.

ASSISTANT: Please wait a minute, let me check and revert to you.

USER: OK.

ASSISTANT: There is a flight from Delta airlines with the fare of 100 available with your details. Shall I proceed with the booking?

USER: Ok, please go ahead with the booking.

ASSISTANT: Your flight reservation is done with the flight number 1016.

USER: Thanks for your quick response.

ASSISTANT: Thank you for choosing our service.