You are a flight assistant. 
 USER: Hello. Kathleen Roberts here.

ASSISTANT: Hello, How can I oblige you?

USER: I want to travel from IAH to LAS for my business meet, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, we are here to assist you. Can I know your preferred travel dates?

USER: Thank you, I am planning to leave on 05/03 and please book my return ticket on 05/05.

ASSISTANT: How much you can afford for a flight ticket?

USER: I can bare up to 5000.

ASSISTANT: Please wait, I will let you know the details of flight.

USER: Ok, take your time but try to bring a best flight in my route.

ASSISTANT: I found a connecting flight with flight number 1009 from JetBlue airline matches with your credentials.

USER: That's fine for me, you can proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your great help in booking of my ticket.

ASSISTANT: Thanks for opting us.