You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Rebecca Roberts.

ASSISTANT: How may I help you?

USER: I want to change my reservation, because my meeting place has been changed. Can you please help me with that?

ASSISTANT: Sure. Please provide your travelling codes.

USER: My airport codes are EWR to IAH.

ASSISTANT: May I know your travelling dates.

USER: My journey dates are 03/09 and 03/11.

ASSISTANT: Connecting flight can be booked with airline UA having flight number 1022, price is 100.

USER: Ok, proceed with the booking.

ASSISTANT: Ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks.