You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Edward Hernandez. Can you please help me to reserve a flight ticket from ORD to CLT?

ASSISTANT: Sure, may I know your travelling dates?

USER: Thank you. I am willing to travel on the dates of Oct 4th and Oct 6th.

ASSISTANT:  Is there any particular timings in your departure and arrival?

USER: Yes, I need a flight which is returning in the afternoon time.

ASSISTANT: Do you need any specifications for this reservation?

USER: The connection limit of the flight should be 1.

ASSISTANT: Please hold a moment, let me check best flight for your journey.

USER: Ok, take your time.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

USER: It's ok, not a problem with that. Thank you for your time.

ASSISTANT: Thank you for reaching our service.

USER: Most welcome.