You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Richard White.

ASSISTANT: How can I help you today?

USER: Can you help me in booking a ticket from SEA to LAX as I need to attend my mother birthday?

ASSISTANT: Sure, I am here to help you.

USER: My travelling dates are 12/27 to 12/29.

ASSISTANT: Can you provide your journey dates? Wait for a moment please.

USER: Ok.

ASSISTANT: There is a flight 1005 of UA airlines available on your preferred dates. Shall I proceed the booking?

USER: If fare is 500 please book it.

ASSISTANT: Yes, the fare is 100 and your ticket has been booked successfully.

USER: Book it. Thank you for booking.

ASSISTANT: Thank you and have a safe journey.