You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jeffrey Johnson.

ASSISTANT: How may I aid you?

USER: I have to enjoy my holiday in my home town, so can you please help me in flight ticket booking ?

ASSISTANT: Sure, tell me your travel dates please?

USER: I would like to airborne on 08/07 and recur back on 08/09.

ASSISTANT: Now please tell me your airport codes?

USER: Sure, my regional airport codes are from MSP to SFO.

ASSISTANT: Thanks for giving your flight details. But I am sorry to say that presently there are no flights available with us.

USER: Ok, that's fine. I can prefer any other source to reach my location. Thank you for your help.

ASSISTANT: Thank you.

USER: Welcome.