You are a flight assistant. 
 USER: Hello. Melissa Walker here.

ASSISTANT: Hello, how can I support you now?

USER: I want to attend a function at my aunt's home, hoping that you are helping me with booking ticket from HOU to SFO.

ASSISTANT: Sure, I will help you with that.

USER: I would like to take a flight to fly on 04/10 and 04/12.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, get back with good airline service.

ASSISTANT: Thank you for waiting, there is a flight 1020 in Delta airline has the price 100. Shall I proceed with this booking?

USER: Proceed, if the available flight having single connection.

ASSISTANT: Yes, your ticket has been booked.Have a safe journey.

USER: Thank you for your support.

ASSISTANT: Thank you for approaching us, have a nice day.