You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please reserve me a flight ticket from PHL to MSP?

ASSISTANT: May I know your itinerary dates please?

USER: I will fly on July 10 and return on July 12.

ASSISTANT:  May I know your preferable journey timings?

USER: No, I don't have any other preferences.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Alexander Jackson.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: Ok, no issues. Thank you.

ASSISTANT: Welcome Alexander Jackson.