You are a flight assistant. 
 USER: Hi, I am Thomas Phillips.

ASSISTANT: Hello, how may I serve you for the day?

USER: Owing an emergence, I want to change my existing reservation. Can you please help me with it?

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: We found a reservation with your name, can you please forward your new journey dates?

USER: Journey dates are 07/28 and 07/30.

ASSISTANT: And kindly assign your airport codes?

USER: Airport codes are LAX and DCA.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: We found a JetBlue airlines flight number 1001 and the fare of 200 matching your essentials.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved with connecting flight in economy class.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.