You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I'm Stephanie Mitchell.

ASSISTANT: Nice to meet you  Stephanie Mitchell.

USER: I am planning to travel from IAD to PHX to attend a convocation party, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with that. May I know your trip dates?

USER: Sure, my departure date is on 12/11 and the return date is on 12/13. Please make sure that the connection limit is 1.

ASSISTANT: Sorry, there is no flight available with us with 1 connection.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: My pleasure.