You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Pamela Carter here. I would like to book a ticket from PHX to DCA, can you please help me with that?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates to proceed further?

USER: The travel dates are from 11/25 to 11/27.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: Pamela Carter, there are no flight services available on this route on your provided dates.

USER: Please proceed. Search with the flight with connection limit 1.

ASSISTANT: There are no flight services available with your requirement of 1 connection limit on this route.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for approaching us.