You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please book a ticket from EWR to DFW? As I'm planning to visit my grand parents.

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, I would like to depart from my location on 14th Sept and I want to return back by 16th Sept.

ASSISTANT: Do you have any connection limit?

USER: Yes, I prefer single connected flight to travel.

ASSISTANT: Are there any other preferences?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your name?

USER: I'm Susan Campbell.

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

USER: So sad! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for reaching us.