You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sharon Young.

ASSISTANT: How can I assist you?

USER: I would like to book a ticket to attend a live music concert at Washington. Can you book a ticket on Aug 06?

ASSISTANT: Ok, may I know your travelling airport codes?

USER: I am heading to DCA from DEN.

ASSISTANT: Can you please mention your return date of journey?

USER: I need to catch a return flight on 8th Aug afternoon.

ASSISTANT: Here is a connecting flight with fare 200 and 1008 as flight number in AA airline providing ticket in economy class at afternoon time. Shall I proceed with booking?

USER: Yes, proceed.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.