You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Alexander Edwards.

ASSISTANT: Ok.

USER: I want to meet my family after many years, could you help me out in booking a ticket?

ASSISTANT: That's great to hear. Will you provide your source and destination airport codes?

USER: My airport codes are SEA and HOU.

ASSISTANT: Will you provide your travelling dates?

USER: My travel dates are from 05/19 to 05/21.

ASSISTANT: As per your request the flight is available.

USER: Ok.

ASSISTANT: The flight number is 1007 with price 100 and the connections 1. Shall I proceed for booking?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.Have a nice day.