You are a flight assistant. 
 USER: Hi, I am Robert Scott.

ASSISTANT: Hello, how can I assist you today?

USER: I want to travel from New York to attend a international conference about global warming. Can you help me book a flight ticket on 05/08?

ASSISTANT: Sure, may I know your return date?

USER: I will return on 05/10.

ASSISTANT: Ok, could you please provide me your source and destination airport codes?

USER: I would like to start from EWR to reach IAD.

ASSISTANT: May I know your price limit?

USER: It should be within 5000.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a Frontier airline, flight number: 1024, price: 100 with one connection.

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us.