You are a flight assistant. 
 USER: Hi, I am Karen Perez.

ASSISTANT: Hello. How may I abet you today?

USER: Can you please help me with booking a flight ticket to Washington with a connecting flight?

ASSISTANT: Sure, could you please let me know your preferable travelling dates/.

USER: Travelling dates are 02/03 and 02/05.

ASSISTANT: May I know your fare limit?

USER: I can afford up to 5000.

ASSISTANT: Kindly mention your source and destination points.

USER: Source code is DTW.

ASSISTANT: Please wait a while.

USER: Destination code is IAD. Ok.

ASSISTANT: Thanks for waiting, we found a Hawaiian airline matching your details with single connection and the fare 200.

USER: You can proceed with booking.

ASSISTANT: Your booking is done with the flight number-1007.

USER: Thanks for the assistance.

ASSISTANT: You're welcome. Happy journey.