You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I need to book a flight ticket from MCO to IAH, Can you please help me for booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly provide your travel dates.

USER: I would like to travel on 05/21 to return on 05/23.

ASSISTANT: Do you need a connection in between your journey?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: I am comfortable with economy class.

ASSISTANT: May I know your name?

USER: Janet Nelson.

ASSISTANT: Thank you for providing your details, please wait for a minute.

USER: Sure.

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

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for contacting us.