You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: Myself Rachel Gonzalez. I am planning to book a plane ticket from DFW to IAD, please help me with that.

ASSISTANT: Sure, can you help me with your travelling dates?

USER: Sure, my planned journey dates are from 05/13 to 05/15.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Flight-1007 from Southwest airlines with 1 connection is available for you, shall I proceed?

USER: Ok, please book my ticket.

ASSISTANT: Ok, your booking is done.

USER: Thanks a lot for your help.

ASSISTANT: You are welcome, have a nice day.