You are a flight assistant. 
 USER: Hello, myself Stephen Harris.

ASSISTANT: Hello. How can I help you today?

USER: I am planning to book a flight ticket to HOU from DEN, can you please be a helping hand in making my reservation?

ASSISTANT: Sure, I will help you. Please share your travel dates also.

USER: Thank you, I prefer to fly on 06/05 and 06/07.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 300. Shall I proceed for further?

USER: This flight is exceeding my expected fare, can you please check within the fare of 200?

ASSISTANT: Sorry, no flights are available on your route.

USER: It's ok, thank you for the information.

ASSISTANT: Welcome, have a nice day.