You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please change my existing reservation as my plan to meet my friend got postponed?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Brenda Gonzalez.

ASSISTANT: I found your reservation, can you please share your travel dates please?

USER: My updated journey dates are July 23 and July 25.

ASSISTANT: May I know your airport codes?

USER: I wish to board from BOS to reach LGA.

ASSISTANT: May I know your connection limit?

USER: I need a flight having single connection.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: Here, there is a flight with 1 connection in Spirit airlines and price is 200. Shall I book?

USER: You can confirm it.

ASSISTANT: Ok, your ticket has been booked with the flight 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.