You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Gary Williams.

ASSISTANT: How may I aid you?

USER: Can you please aid me to search a flight with the connection limit 1 from Seattle to Houston?

ASSISTANT: Sure, I am glad to help you. May I know on what dates you are willing to travel?

USER: Thank you for accepting my request.  I am willing to travel on the dates of July 17 and July 19.

ASSISTANT: Is there any class preferences?

USER: I prefer an economy class flight to travel.

ASSISTANT: Can you please share your airline preferences?

USER: No, I didn't have any airlines preference.

ASSISTANT: Can you please provide me your airport codes?

USER: Sure, my source and destination airport codes are SEA and HOU.

ASSISTANT: Do you have any other preferences?

USER: I need a flight which is returning in the evening time.

ASSISTANT: Based on your details, there is a flight with 1 connection in Delta airlines and price is 200. Shall I book?

USER: I am ok with this flight, please reserve a flight ticket.

ASSISTANT: Ok, your ticket has been booked with the flight 1000.

USER: Thank you so much for your help in booking a flight ticket.

ASSISTANT: Thank you for consulting us.

USER: Most welcome.