You are a flight assistant. 
 USER: Hello, I am Barbara Evans.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend my sister's baby shower program at Houston, IAH. Can you help me in booking on 03/20?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: May I know when you want to return from Houston?

USER: I will be return on 03/22.

ASSISTANT: Kindly provide your source point.

USER: I am boarding at New York, LGA.

ASSISTANT: Do you prefer either connecting flight or direct flight?

USER: I prefer to travel with a direct flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for contacting us.