You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Katherine Garcia.

ASSISTANT: How may I help you at this moment?

USER: I would like to visit to Philadelphia to visit reading terminal market which is a oldest farmer's market as I am a farmer. Can you please make a plane reservation with fare 1000?

ASSISTANT: Sure, could you please mention your airport codes?

USER: Sure, I am heading towards Philadelphia PA-PHL from San Francisco CA-SFO.

ASSISTANT: Ok, help me with your planned trip dates.

USER: My arrival and departure dates are 12/02 and 11/30.

ASSISTANT: Do you need lay by in between your journey?

USER: Yes, I need lay by in between my journey.

ASSISTANT: Please give me a moment, I will check the flights and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry Katherine, there is no flights found on your requested dates.

USER: Ok, no worries at all. Thank you for your assistance.

ASSISTANT: Thank you for opting us.