You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Rebecca Perez this side.

ASSISTANT: Yes, Perez.

USER: Can you please search a flight for me from EWR to PHL?

ASSISTANT: Sure, please let me know when did you planned your trip dates.

USER: My preferable dates are from 10/05 till 10/07.

ASSISTANT: Here I didn't find any flights with your request, sorry for inconvenience.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.