You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: As my manager did not approve my leave, I would like to change my recent reservation. Can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: Jack Clark here.

ASSISTANT: I found your reservation, can you please share me your airport codes?

USER: JFK and BOS are my airport codes.

ASSISTANT: May I know your travelling dates please?

USER: Apr, 16 and Apr, 18 are my travel dates.

ASSISTANT: Do you have any requirements?

USER: I prefer to travel in connecting flight.

ASSISTANT: There is a flight with single connection in Jet Blue airlines, can I  proceed for changing your reservation?

USER: Please proceed.

ASSISTANT: Your reservation was changed successfully, your flight number is 1002.

USER: Thank you.

ASSISTANT: Thank you for choosing us.