You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Can you please reserve a flight ticket from EWR to DCA for my business meeting?

ASSISTANT: Sure, May I know the travelling dates?

USER: Thank you for accepting my request, my boarding is on Oct 26 and please book my return ticket on Oct 28.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a connecting flight for my journey.

ASSISTANT: Is there any other requirements?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: Sure, my name is Nicole Allen.

ASSISTANT: Please wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Anyway, thank you for the information.

ASSISTANT: Thank you for opting us.