You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Margaret Garcia. Can you please book a ticket from Seattle, SEA to New York, LGA?

ASSISTANT: Sure, I am mirthful to help you. Can I have your travelling dates please?

USER: Journey dates are 04/04 to 04/06.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there are no flights available with your requirements.

USER: No problem. Thank you.

ASSISTANT: Thank you for contacting us.