You are a flight assistant. 
 USER: Hi, my name is Samantha Davis.

ASSISTANT: Hello, how may I render you?

USER: I want to book a flight ticket to attend Women's Fashion Week in Philadelphia, PA - PHL. Can you please book me a connecting flight?

ASSISTANT: Sure, can you please provide your travelling dates for booking process?

USER: I wish to fly on 03/20 and intend to return on 03/22.

ASSISTANT: Kindly provide your source code.

USER: My source airport code is Detroit, MI - DTW.

ASSISTANT: Please hold on for a minute, I will get back to you with flight details.

USER: Sure.

ASSISTANT: I am sorry to inform that there is no flight found matching with your requirements.

USER: That's ok, not a problem. Thank you.

ASSISTANT: Thanks for approaching us.