You are a flight assistant. 
 USER: Hello, I am Sarah Phillips.

ASSISTANT: Hello, how may I oblige you for the day?

USER: I love to go to Houston to explore global culture, so can you help me with a connecting flight?

ASSISTANT: Sure, do you need a lay by in between your journey? May I know your journey dates?

USER: I want to fly out on 02/26 and return on 02/28.

ASSISTANT: Kindly provide your journey points?

USER: My source is Philadelphia, PA-PHL and destination is Houston, TX-HOU.

ASSISTANT: Ok, let me check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Unfortunately, there were no flights running on your route.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching us.