You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name please?

USER: I am Emily Harris, can you help me to book a flight?

ASSISTANT: Emily, may I know the airport codes?

USER: I am planning for a trip with my family, codes are LAX and IAD.

ASSISTANT: Ok, what were the travelling dates of your journey?

USER: MY preferable dates are 07/17 and 07/19.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1027 in Southwest airline has the price 100. Shall I proceed with this booking?

USER: I am fine with that, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your great service.

ASSISTANT: Thank you for approaching us, have a safe journey.