You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Michael Roberts.

ASSISTANT: How may I help you?

USER: Can you book a flight ticket from EWR to DCA?

ASSISTANT: Sure, do you have any price limit?

USER: Yes, Price limit is 200.

ASSISTANT: Help me with the trip dates please?

USER: My travelling dates are from 06/16 to 06/18.

ASSISTANT: Thank you for your details, we found a flight in an airline AA of number 1007 having a single connection.

USER: Ok, Proceed.

ASSISTANT: Shall I reserve it for you?

USER: Sure.

ASSISTANT: Your flight ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us. Have a safe journey.