You are a flight assistant. 
 USER: Hello, myself William Thomas.

ASSISTANT: Hello, how can I serve you?

USER: I want to visit Los Angeles due to my holiday vacation. Can you please book me a flight ticket on 10/17?

ASSISTANT: Sure, please share me your airport codes?

USER: I want to fly from Philadelphia, PA - PHL. My destination code is CA - LAX.

ASSISTANT: Do you have any specifications?

USER: My price should be under the range of 5000. I need a halt in between my journey.

ASSISTANT: Please mention me your return date?

USER: I intend to return on 10/19.

ASSISTANT: We found a 1007 Hawaiian airline with single connection and price of 100. Shall I proceed with booking?

USER: Please proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.