You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I best serve you today?

USER: I am Rachel King, can you help me to book a flight to EWR?

ASSISTANT: Sure, may I know your source point?

USER: My source is ORD.

ASSISTANT: When would you like to travel?

USER: I would like to travel on 02/21 and 02/23.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Thanks for providing your details, no flights are available with your requested information.

USER: No issues. Thank you for your time.

ASSISTANT: Thanks for availing us.