You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you today?

USER: I want to meet my parents at ORD, can you please avail me a flight ticket from IAD?

ASSISTANT: Ok, may I know your depart and arrival timings?

USER: I don't have preferable timings to travel.

ASSISTANT: Please share your travelling dates?

USER: My planned travel dates are from July 4th to July 6th.

ASSISTANT: May I know your airline preference?

USER: I prefer a normal-cost airline.

ASSISTANT: Can you please mention your connection limit?

USER: My connection limit is one.

ASSISTANT: Here is a connecting flight with fare 200 and 1018 as flight number in United Airline. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket is confirmed in economy class.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Catherine Thompson.

ASSISTANT: Thank you for reaching us.