You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can aid you at this moment?

USER: I would like to change my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, I am help you to change it. May I know your name please?

USER: I am Jack Wilson.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: We are here to notify you that, we found a reservation on your name to change it. Can you please mention your new journey dates?

USER: My travelling dates are 14 to 16 of June.

ASSISTANT: Let me know your travelling airport codes.

USER: HOU and OAK are my travelling airport codes.

ASSISTANT: May I know your connection limit?

USER: I am ok with any connection limit.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We are happy to say that, there is a flight found in 1019 Southwest Airline with a connected flight which matches to your details. Can I proceed to change your reservation?

USER: Please proceed.

ASSISTANT: Sure, your reservation has been successfully changed.

USER: Thanks for helping me.

ASSISTANT: Thank you for consulting our service.