You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Ryan Young.

ASSISTANT: Yes, Ryan.

USER: I want to celebrate my birthday with my family.I want to book a ticket.

ASSISTANT: Sure, please can you provide me your travelling details?

USER: My airport codes are from CA-OAK to DC-DCA.

ASSISTANT: Ok, provide me your dates of travelling?

USER: My trip dates are from 09/04 to 09/06.

ASSISTANT: Please, wait for a moment.

USER: Ok.

ASSISTANT: There is flight for your required details, and flight number is 1001. Can I proceed?

USER: Ok, please confirm my ticket.

ASSISTANT: Thank you for your service.

USER: Thank you for your help.