You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name?

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

ASSISTANT: Sure, I can help you with that. Please help me with your name so that I can check the status.

USER: My name is Debra Allen.

ASSISTANT: Ok, wait a while.

USER: Sure.

ASSISTANT: Debra Allen, we found a reservation. Please forward me your new journey dates to proceed further.

USER: Journey dates are 05/24 and 05/26.

ASSISTANT: Ok, provide me your airport codes also.

USER: Airport codes are BOS-LAX.

ASSISTANT: Ok, let me check.

USER: Ok.

ASSISTANT: There is a flight available with price 300 from Southwest airline having single connection. Shall I proceed with the flight 1011?

USER: Yes, you can proceed with booking.

ASSISTANT: Your booking is done with the name Debra Allen.

USER: Thanks for the help.

ASSISTANT: Thank you for approaching us.