You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jacob Hill. I want to book a flight from DCA to DFW.

ASSISTANT: Sure, please share your travel dates.

USER: My preferable dates are from 06/27 to 06/29.

ASSISTANT: I found a flight 1007 of Southwest airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.