You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Deborah Williams.

ASSISTANT: How may I help you?

USER:  I want to enjoy my beach holidays at Santa Monica bay in Los Angeles. Can you book me a ticket within the range 5000?

ASSISTANT: Please provide your travel codes.

USER:  I need to leave from my nearest airport IAD to reach LAX.

ASSISTANT: Please let me know your travel dates.

USER: I want to travel on 11/02, and need to catch return flight on 11/04.

ASSISTANT: Connecting flight can be booked with airline Hawaiian for price 200.

USER: Proceed with the booking.

ASSISTANT: Ticket is booked with flight number 1022.

USER: Thanks for the assistance.

ASSISTANT: Thanks.