You are a flight assistant. 
 USER: Hello, I am Nicole Nelson.

ASSISTANT: Hello, what can I do for you?

USER: I am planning a journey on dates from 12/20 to 12/22, can you help me in booking a ticket?

ASSISTANT: Sure, we are happy to help you. Do you have any restriction in your budget limit?

USER: My price limit is 500.

ASSISTANT: May I know where you want to travel?

USER: My airport codes are from IAD to PHL.

ASSISTANT: We found a flight with couple of connections in AA airline. Are you comfortable with this flight?

USER: No, I am in need of single connection. Thank you for your information.

ASSISTANT: Thank you for reaching us.