You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I have to attend a Live Concert at San Francisco, could you please help me with booking a flight ticket from MSP to SFO?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: I would like to depart on Dec 14th and return on Dec 16th.

ASSISTANT: May I know your name please?

USER: I am George Baker.

ASSISTANT: Do you have any other specifications please?

USER: I am looking for a direct flight in economy class.

ASSISTANT: Are you expecting any other help from my side?

USER: I am looking for a normal- cost airline. And make sure that my depart time must be morning.

ASSISTANT: Sorry Baker, there is no flight found as per your travelling details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: You are welcome.