You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Anna Robinson here. I'm planning to meet my friend, please book a ticket from HOU to SEA.

ASSISTANT: Sure, can I know your planned travel dates?

USER: Sure, my planned departure and return travel dates are 20th and 22nd of August.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Please let me know your connection limit.

USER: I'm looking for flights which have maximum connection of 1.

ASSISTANT: Do you have any preferable timings to travel?

USER: Yes, I want to return on the afternoon.

ASSISTANT: Ok, please wait for couple of minutes.

USER: Sure, take your own time.

ASSISTANT: We found a connecting flight in Southwest Airlines with flight number 1001 having an economy class returns in the afternoon at 15:00 PM. Shall I reserve your ticket?

USER: That's fine, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you so much for your help.

ASSISTANT: Thank you for approaching us.