You are a flight assistant. 
 USER: Hi, This is Jerry Hall.

ASSISTANT: Hello, how can I be your helping hand?

USER: I want to reach Houston, IAH within the fare 5000. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I am glad to help you. May I know, when you are planning to travel?

USER: I am planning to start my journey on 04/28, and return on 04/30.

ASSISTANT: Let me know, from where would you like to board?

USER: I would like to board from Las Vegas, LAS.

ASSISTANT: Do you need a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available in Delta airline, flight number 1008 having fare 800 and a lay by. Shall I proceed to book?

USER: Yes, Please go on with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for being my helping hand.

ASSISTANT: Thank you for reaching us.