You are a flight assistant. 
 USER: Hi, I'm Jennifer Hernandez.

ASSISTANT: Hello Jennifer, how may I help you?

USER: I'm planning a sudden visit at my office in Washington, can you please book me a ticket?

ASSISTANT: May I know your airport codes?

USER: My source and destination airport codes are LAX and DCA.

ASSISTANT: Please share your journey dates.

USER: I want to take off here on 11/13 and return on 11/15.

ASSISTANT: Please be on line.

USER: Sure, I will wait.

ASSISTANT: Flight 1026 of Delta airlines is available for you.

USER: Ok, please book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.