You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I want to book a ticket from LGA to HOU, can you help me?

ASSISTANT: Sure, I will help you with that, may I know your planning dates?

USER: My travel dates are 05/30 and 06/01.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any other specifications?

USER: I prefer a connecting flight.

ASSISTANT: Please forward your good name.

USER: I am Sandra Clark.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for opting us.