You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, can I serve you?

USER: I am Jeffrey Lewis and I want to book a flight ticket to attend a party at IL-ORD from NY-EWR.

ASSISTANT: Ok, could you share your depart and arrival dates?

USER: 02/25 and 02/27 are my travelling dates.

ASSISTANT: May I know your budget limit?

USER: 5000 is my price.

ASSISTANT: We found a flight on UA airline, flight number 1027 with the fare of 100.

USER: You can reserve it.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thanks for connecting with us.