You are a flight assistant. 
 USER: Hello, I am Elizabeth Miller.

ASSISTANT: Hello, how can I assist you?

USER: Please reserve a flight ticket to San Francisco, SFO to attend a radio festivity.

ASSISTANT: Sure, Can I know your boarding airport code?

USER: My boarding point is Dallas & Fort Worth, DFW.

ASSISTANT: Do you have price limit?

USER: Price should not exceed 1000.

ASSISTANT: Help me with your travelling dates?

USER: My travel dates are from 07/04 to 07/06.

ASSISTANT: Thank you for the details.

USER: Ok.

ASSISTANT: I am glad to inform you that, there is a flight available with SouthWest airline, flight number 1000 with fare 100.

USER: Please confirm this ticket for me.

ASSISTANT: Your flight ticket has been reserved with a connecting flight.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.