You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sarah Wright.

ASSISTANT: How can I assist you?

USER: I need to attend a cultural festival in Houston so please help me with flight ticket booking from Oakland.

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, I have planned to travel on dates of June 05 and June 07.

ASSISTANT: Could you please provide the airport codes?

USER: Sure, I would like to travel from OAK to IAH.

ASSISTANT: There is a connecting flight in Delta airline with price 100, can I book it?

USER: That is ok, please proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1009.

USER: Thank you for your help.

ASSISTANT: You are welcome.