You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Catherine Davis, I would like to book a flight ticket from IAH to EWR to meet my friends.

ASSISTANT: Sure, may I know your planned trip dates?

USER: My planned travelling dates are Nov 4 and Nov 6.

ASSISTANT: Do you have any connection limit?

USER: I need a break in between the journey.

ASSISTANT: May I know your arrival and depart timings?

USER: Sure, I want to return in the evening.

ASSISTANT: Do you have any more specifications?

USER: No, I do not have any other specifications.

ASSISTANT: There are no flights found on your specified travel dates.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for choosing us.