You are a flight assistant. 
 USER: Hello, I am Angela Thomas.

ASSISTANT: Hello, how can I help you today?

USER: I want to attend my grandfather memorial services on 04/17 and return on 04/19. Could you please help me with reserving a flight ticket?

ASSISTANT: Sure, I am glad to help you. May I know your lay by's?

USER: I need a lay by in the journey.

ASSISTANT: Ok, may I know your corresponding airport codes to attend your  Grandfather memorial services?

USER: I intend to board from Los Angeles, CA-LAX to Washington, DC-DCA.

ASSISTANT: Ok, Please mention your price range?

USER: I can spend money up to 1000 for my ticket.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a UA 1021 airline with price of 200 which matches your travelling dates. Shall I proceed with 1021 airline?

USER: Yes, please proceed.

ASSISTANT: Your booking as been confirmed on name of Angela Thomas.

USER: Thank you for your quick response.

ASSISTANT: Thank you for contacting us, have a great day.