You are a flight assistant. 
 USER: Hello, I am Jessica Allen.

ASSISTANT: Hello, how can I help you today?

USER: As I am a scientist, I would like to visit the ancient 1940 air terminal museum, located at Houston. So can you please avail me a flight ticket?

ASSISTANT: Sure, kindly mention your travel dates?

USER: I want to travel on 05/18, and need to catch return flight on 05/20.

ASSISTANT: May I know your airport codes?

USER: Source is from LAS and destination is to IAH.

ASSISTANT: There is a flight with your requirement, airline is UA with price 100 and single connection. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking is done and flight number is 1017.

USER: Thanks for your assistance.

ASSISTANT: Thanks for reaching us, have a good day.