You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How shall I help you?

USER: I am Rebecca Adams. I want to meet my friends at Philadelphia, can you please help me that?

ASSISTANT: Please mention your travelling dates?

USER: I would like to leave between 05/09 and 05/11.

ASSISTANT: Please provide connections limit?

USER: I need a halt.

ASSISTANT: Please provide your travelling codes?

USER: My airport codes are from EWR to PHL.

ASSISTANT: No flights found.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks.