You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: Emily Wilson here.

ASSISTANT: How can I help you?

USER: I would like to change my recent reservation, can you help me to change this reservation?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Found reservation.

USER: That's fine.

ASSISTANT: May I know your travelling codes?

USER: I would like to travel from DTW to LAS.

ASSISTANT: Please provide your travelling dates.

USER: My travelling dates are 11/09 and 11/11.

ASSISTANT: Connecting flight can be booked with airline Frontier for price 100. Shall I book a ticket?

USER: You can proceed.

ASSISTANT: Your ticket is booked with flight number 1002.

USER: Thanks for your help.

ASSISTANT: Thank you. Have a great day!.