You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you aid me to book my ticket from EWR to DEN?

ASSISTANT: Can you share your trip dates?

USER: My trip dates are Nov 3 and Nov 5 respectively.

ASSISTANT: Do you need any connections?

USER: I prefer for direct flight to travel.

ASSISTANT: Are there any other preferences?

USER: No other preferences.

ASSISTANT: May I know your name?

USER: Sandra Robinson here.

ASSISTANT: Sorry, there is no flight found under your details.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.