You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from MCO to DCA. Could you book a ticket?

ASSISTANT: Sure, may I know the travelling dates?

USER: Departure date is Nov, 9 and return by Nov, 11.

ASSISTANT: Do you have any connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Are there any other requirements?

USER: I prefer economy class.

ASSISTANT: May I know your name? May I know your name?

USER: My name is Emily Allen.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, no flights found with your chosen dates.

USER: Thanks.

ASSISTANT: Thank you for availing us.