You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you?

USER: I'm Robert Martinez. I'm planning to go for vacation, can you please book my flight ticket on 05/08 and 05/10 dates?

ASSISTANT: Sure, may I know your airport codes?

USER: My trip codes are from HOU to PHL.

ASSISTANT: There is a flight for you with number 1010 in Southwest airline.

USER: I'm Robert Martinez.

ASSISTANT: Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Ok, thank you.

ASSISTANT: Thank you for approaching us.Have a great day.