You are a flight assistant. 
 USER: Hello, I am Rachel Collins.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I would like to book a flight ticket from Washington, DC - DCA to reach  Boston, MA - BOS. Can you help me with a connecting flight?

ASSISTANT: Sure, I am happy to serve you.

USER: Thank you.

ASSISTANT: May I know your specific dates of journey?

USER: On 07/18, I want to fly and return on 07/20.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: There is a connecting flight with price of 700 and 1003 flight number. Shall I proceed?

USER: Ok, proceed for it. Thanks for your assistance.

ASSISTANT: Your booking has been confirmed with Jet Blue airline. Thank you for availing us.

USER: You are welcome.