You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I am Nicole Clark, planning to visit Washington. Can you please book me a ticket from EWR to IAD?

ASSISTANT: Sure, May I know the travelling dates?

USER: My preferable journey dates are from Nov 28 and Nov 30.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any preference in return time?

USER: I prefer morning return flight in this journey.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: Please wait a minute.

USER: Sure.

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

USER: Ok, not an issue. I will find any alternate for this trip. Anyways, thank you for your time.

ASSISTANT: Thank you for reaching us.