You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: I have done mistake while booking a ticket, can you change my reservation?

ASSISTANT: Sure, to change your reservation I need to know your name.

USER: Myself Anthony Harris.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a reservation with your name. Can you please share your new journey details?

USER: My new trip dates are 03/29 and 03/31.

ASSISTANT: Ok, what are your journey points.

USER: My airport codes are BOS to IAD.

ASSISTANT: We are happy to inform that in Southwest airline with fare of 100 we have a seat for you. Shall I proceed for booking with 1003 flight number and with one connection?

USER: You can book it.

ASSISTANT: Your booking has been done with the above mentioned details. Have a safe journey.

USER: I appreciate your work, thank you for booking.

ASSISTANT: Thanks for availing us.