You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I want to book the flight ticket from LGA to HOU. Can you please help me?

ASSISTANT: Sure, let me know your class preference?

USER: I prefer to travel in economy class.

ASSISTANT: Ok, can I know your travel dates?

USER: My travel dates are APRIL 9th and APRIL 11th.

ASSISTANT: Any other requirements to be met?

USER: I need a single connection.

ASSISTANT: May I know your name please to proceed further?

USER: My name is Jennifer Edwards.

ASSISTANT: Sorry, no flights found as per your request.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for contacting us.