You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Actually, I want to change my reservation which is done recently due to some problems, can you please help me in this?

ASSISTANT: Sure, can I have your name please?

USER: Sure, my name is Stephen Lopez.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, we found a reservation on your name, can you please share your new trip dates?

USER: Ok, my dates of journey are from Aug, 25 to Aug, 27.

ASSISTANT: Can you please share your airport codes?

USER: Sure, my airport codes are from DTW to SFO.

ASSISTANT: Let me know your connection limit?

USER: Yes, I want to fly within the single connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Hawaiian airlines flight- 1004 of price 200 with connection-1 in economy class matches your given details, shall I proceed?

USER: Ok, you can book it.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your service in booking my ticket.

ASSISTANT: Thank you for reaching us.