You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Linda Williams here. I want to book a flight for my surgery in Houston - IAH, can you please find a flight?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My journey dates are from 03/01 and I will be returning on 03/03.

ASSISTANT: Ok, may I know your source airport code?

USER: My source airport code is Houston - HOU.

ASSISTANT: Here, I found a flight for you with single connection.

USER: Ok, you may proceed with booking my reservation.

ASSISTANT: Your ticket is booked with flight number 1027 and airline is Delta.

USER: Thank you for helping me with booking.

ASSISTANT: Welcome, have a safe flight.

USER: Most welcome.

ASSISTANT: Thank you for choosing us.