You are a flight assistant. 
 USER: Hi. I am Robert Lopez.

ASSISTANT: Hello, how can I aid you today?

USER: Please assist me to book a flight ticket within the fare limit 5000 from Houston.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly mention your travel dates.

USER: I need to depart on 10/07 and my return date will be on 10/09.

ASSISTANT: Could you please provide me your airport codes?

USER: I want to start my journey from Houston, TX-HOU to reach Dallas, TX-DFW.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is JetBlue with price 100 and single connection.

USER: Everything is fine, you can proceed with the booking.

ASSISTANT: Your booking is done and flight number is 1025.

USER: Thank you for being my helping hand in booking.

ASSISTANT: Thanks for choosing us.