You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I want to change my reservation, can you help me with that?

ASSISTANT: I am here to help you with that. Can you please provide your name for checking the reservation status?

USER: Sure, the reservation has been done under the name of Thomas Walker.

ASSISTANT: I have found your reservation with your name, can you please provide your modified dates of journey?

USER: My journey dates are May 27 and 29.

ASSISTANT: Please provide your nearest airport codes of journey.

USER: My airport codes are IAH and IAD.

ASSISTANT: Would you like to travel in a direct flight or a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements for your journey?

USER: No.

ASSISTANT: Spirit airlines is providing a flight to your region having a ticket fare of 200 with single connecting flight. Shall I proceed with the booking in this flight?

USER: Please proceed with the booking.

ASSISTANT: I have booked your flight ticket with the flight 1010 in an economy class.

USER: Thanks for your extreme support.

ASSISTANT: You are welcome, thank you for opting our service.