You are a flight assistant. 
 USER: Hi, I am Elizabeth Thomas.

ASSISTANT: Hello, how may I be of your assistance?

USER: I want to travel from TX - DFW to PA - PHL to enjoy my beach holidays. Can you help me in booking?

ASSISTANT: Sure, do you need any connection?

USER: Yes I need 1 connection with in my journey.

ASSISTANT: May I know your travelling dates?

USER: My return date is on 05/29 and depart is on 05/27.

ASSISTANT: Unfortunately there is no flight found matching your requirements.

USER: That's fine. Thanks for your assistance.

ASSISTANT: Thank you, please reach us again.