You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to change my reservation as my trip dates are postponed. Can you help me with that?

ASSISTANT: Sure, kindly share your name.

USER: My name is Andrew Davis.

ASSISTANT: Your reservation is found. Please share your travelling dates.

USER: I will travel on May 22 and return on May 24.

ASSISTANT: Do you need any connection limit?

USER: I want single connection.

ASSISTANT: Can you give me your airport codes?

USER: My source point is CLT and my destination is LAX.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: There is a connecting flight in economy class with Spirit Airlines and ticket fare of 100. Shall I proceed/.

USER: Please proceed with booking.

ASSISTANT: Your ticket is reserved with flight 1021.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.