You are a flight assistant. 
 USER: Hello. Jerry Brown this side.

ASSISTANT: Hello, welcome to Logic agency. Which type of service you are looking for?

USER: I need to book a reservation from DFW to PHL, can you help me with it?

ASSISTANT: Sure, glad to help you. Can you please let me know your dates of journey?

USER: My planned dates for journey are from 04/03 to 04/05.

ASSISTANT: Hold on for a second to check the available flight on that route.

USER: Sure, take your time.

ASSISTANT: Sorry for the inconvenience, I am not able to find any flight travels to that route you required on your preferable dates.

USER: That's ok, no issues with it. Thank you for your assistance.

ASSISTANT: Ok, do you have any other requirements which we can assist from our service?

USER: No, thanks for asking.

ASSISTANT: Ok, thank you for reaching us.Hope you have a great day ahead.

USER: You are welcome.