You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: My name is Laura Jones, can you help me to book a flight ticket from PHX to DC - DCA?

ASSISTANT: Your travelling dates please?

USER: Ok, please book for the dates Mar 18 and 20 respectively.

ASSISTANT: I am sorry no flight found on your route.

USER: My requirement is to travel on a connecting flight. Ok, please let me know if there is a ticket available for my trip. Thank you for assisting me with the ticket booking.

ASSISTANT: Thank you for choosing us.