You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Due to an emergency work, I want to change my reservation. Can you help me?

ASSISTANT: Ok, I can help you with it. That's my job. Please mention your good name.

USER: Emily White here.

ASSISTANT: What are your new airport codes?

USER: My airport codes are DCA-SFO.

ASSISTANT: I found your reservation, please tell me your travelling dates also.

USER: Dates are 05/24 and 05/26.

ASSISTANT: Emily White, flight-1023 is available for you with 1 connection at the price of 100. Can I book it?

USER: Go ahead.

ASSISTANT: Your booking is done, thank you for reaching us.

USER: Thank you so much.

ASSISTANT: Enjoy your journey.

USER: Thank you.