You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to make my father's reservation because he want to meet his sister in Houston. Can you please help me to book his flight ticket?

ASSISTANT: That's great, may I know your airport codes for your journey?

USER: Sure, he want to travel from OAK to HOU.

ASSISTANT: What will be your father's travelling dates?

USER: He will travel on 09/26 and return from HOU on 09/28.

ASSISTANT: Meanwhile, may I know your father's name?

USER: Sure, his name is Thomas Lewis.

ASSISTANT: Flight-1028 by JetBlue airlines is available with 1 connection limit, can I book it for you?

USER: Yes, please book the ticket.

ASSISTANT: Ok, your booking is done. Thank you for approaching us.

USER: Thank you.

ASSISTANT: Have a nice day?