You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Shirley Adams. Please help me to change my active reservations as my exams was postponed.

ASSISTANT: Sure, I am here to help you for this. Let me check your reservation status in our database.

USER: Ok.

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

USER: I would like to leave from ATL to BOS.

ASSISTANT: Could you please share me your journey dates?

USER: I have planned to travel on 06/11 and 06/13.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: As per your data, there is a flight with United Airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket is reserved in economy class with the flight-1026. Your depart time is 3:00 am, and again your arrival time is 3:00 am.

USER: Thank you.

ASSISTANT: Thank you very much for contacting us.