You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Kimberly Hill here.

ASSISTANT: How may I aid you today?

USER: My airport codes for boarding the flight are CLT to DCA. Can you book a flight ticket?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My preferable dates for travel are 07/18 to 07/20.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Ok.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by JetBlue airlines. Shall I proceed with this?

USER: I am ok with the airlines. You can book it.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1010.

USER: Thank you.

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