You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you?

USER: I made a reservation earlier to visit museum of fine arts. Due to emergency health issue I want to change my existing reservation. Can you help me in changing my reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting. Please share your name.

USER: My name is Raymond Garcia.

ASSISTANT: Thank you for providing your name.

USER: Ok.

ASSISTANT: We found a reservation on your name, so can you please share your new planned travelling dates?

USER: I want to travel on 06/05 and return on 06/07.

ASSISTANT: Please help me with your airport codes for further process.

USER: I am heading to Houston, HOU from Boston, BOS.

ASSISTANT: Thank you for your details, we found a flight with number 1000 and airline Southwest at a price of 200 with 1 connection. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Sure, your booking is done.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us, have a nice day.