You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Please book me a ticket from ORD to EWR on the name Edward Anderson.

ASSISTANT: Sure, we are mirthful to help you. Can you let me know your journey dates that you prefer to travel?

USER: Sure, I would like to start on 12/28 and will be back on 12/30.

ASSISTANT: How much you can spend for airfare?

USER: I can pay up to 200 for this particular ticket.

ASSISTANT: Thank you for sharing your details, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry we did not find any flights according to your given guidelines.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for reaching us.