You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency, I want to change an existing reservation, so please help me in changing the reservation.

ASSISTANT: Your name please.

USER: Myself Brandon Harris.

ASSISTANT: We found a reservation under your name. Can you mention your changed trip details?

USER: My airport codes are DCA, SEA.

ASSISTANT: Can you share your trip dates?

USER: I want to fly on Aug 14 and return on Aug 16.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: Flight number 1010 with price 100 in economy class, with single connection is available. Is it ok for you?

USER: You can proceed to booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.