You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I need to meet my client in San Francisco, can you please book a flight ticket from Houston?

ASSISTANT: Sure, I am here to help you out. Please provide me your  name first to fill the reservation form on your name.

USER: Thank you. My name is Karen Jackson.

ASSISTANT: May I know your source airport code?

USER: The source airport code is IAH.

ASSISTANT: May I know your requirement?

USER: I need a single connecting flight to reach my destination location.

ASSISTANT: Could you provide me your travel dates?

USER: Sure, please check the flight on these dates May 30 and June 1.

ASSISTANT: Is there any other specifications to be met?

USER: No.

ASSISTANT: Ok, please allow me a moment.

USER: Sorry, I prefer a normal-cost airlines. Please do check for that also.

ASSISTANT: Sorry Karen Jackson, there is no flight in your route as per your requirement.

USER: It's ok, not an issue. Thank you for your time.

ASSISTANT: Thank you for reaching us.