You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Karen Williams.

ASSISTANT: How may I help you today?

USER: I want to book a ticket to meet my friend in Washington, will you help me with booking ticket from LAX to IAD?

ASSISTANT: Sure, may I know your preferable dates please?

USER: My journey dates are 04/01 and 04/03.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: Karen, there is an available ticket for you with Delta airline and flight number is 1019. Can I proceed?

USER: Please confirm the booking.

ASSISTANT: Your ticket has booked, have a safe journey.

USER: Thank you for the help.

ASSISTANT: You are welcome. Thank you for reaching us.