You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: My name is Emily Gonzalez, can you please book me a plane ticket from PHL to IAD?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: Sure, my planned trip dates are from 12/21 to 12/23.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, there is a flight 1003 in Hawaiian airline has the price 100. Can I proceed?

USER: That's ok, please proceed.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, have a nice day.