You are a flight assistant. 
 USER: Hello. I am Nicholas Hill.

ASSISTANT: Hello, how may I support you?

USER: I need to book a flight ticket with connecting flight, Can you please help me for booking from OAK to IAH?

ASSISTANT: Sure, please let me know your travel dates.

USER: I would like to travel on 06/28 to return on 06/30.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Southwest airline with flight number 1018 and fare of 300 is available on your route.

USER: Ok, proceed for booking.

ASSISTANT: your booking has been done.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.