You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jeffrey Miller here.

ASSISTANT: How may I assist you at this moment?

USER: I want to travel from PHX to PHL for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to help you. Can you please provide your preferable dates of travelling?

USER: My departure date is 07/28 and return date is 07/30.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Make sure my connections limit is 1.

ASSISTANT: Sorry to inform you that, there are no flights running towards your route with connection 1.

USER: Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.