You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Emily Harris here.

ASSISTANT: How can I assist you?

USER: My airport codes for boarding the flight are MSP to SEA. Can you reserve a flight ticket?

ASSISTANT: May I know your travelling dates?

USER: The price limit is less than 500. My preferable dates for travel are 05/09 to 05/11.

ASSISTANT: Here is a flight ticket with fare 100 and having single connection flight and 1010 as flight number. Shall I proceed for booking?

USER: I am ok with the fare. You can book the flight ticket.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.