You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Welcome to Global flight ticket booking agency.

USER: Dennis Mitchell this side, can you help me to book a ticket from LAX to IAD, going to open new branch of my office at Washington.

ASSISTANT: What service from our agency that you are looking for? That's great to hear. I will help you with flight ticket booking. Have you planned any travel dates to reach Washington DC?

USER: I am planning to visit Washington on 04/19 and return on 04/21.

ASSISTANT: Ok, please give me a minute, I will get the best flight for you.

USER: Please look for the connecting flights, but connection should be limited to 1.

ASSISTANT: Thank you for waiting. Happy to inform you that the Frontier airlines is running a flight in your route which charge 800.

USER: Do not proceed, my budget is with in 500.

ASSISTANT: Sorry Dennis, no airlines is providing a flight with price under 500.

USER: Ok, no issue, I will go by road, if there will be any change in my dates I will contact you.

ASSISTANT: That's fine. Thank you for choosing us.

USER: Thank you for your support shown by you.

ASSISTANT: Have a great day and hope you will contact us soon.

USER: Sure.

ASSISTANT: Thank you.