You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anna Lewis here.

ASSISTANT: How can I help you?

USER: I would like to meet my family doctor at MSP. Can you please help me to book a flight from ATL?

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, I want to fly on Dec 16 and intend to return on Dec 18.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Do you have any other speicifications?

USER: No, I do not have any other specifications.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: UA airlines is providing you the ticket in economy class and with a price of 100, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight-1023.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.