You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christopher Wright.

ASSISTANT: How can I assist you?

USER: Can you help me booking flight on 10/14 to go my hometown MSP?

ASSISTANT: Sure Wright, can I know the return date and source code please?

USER: I would like to return on 10/16. My airport codes are MSP to JFK.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

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

USER: Oh! It's ok, no problem. Thank you for your services.

ASSISTANT: Thank you for approaching us.