You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am planning for a weekend trip to OAK, can you help me to book a flight from IAH?

ASSISTANT: Sure, could you please provide your dates of travel to search for the flight?

USER: My planned dates are 06/25 and 06/27.

ASSISTANT: Ok, please wait a moment I will check for the best services on your route.

USER: Sure, reserve ticket on my name, Jennifer Lee.

ASSISTANT: Ok, there is a flight 1004 in Delta airline matching your details with price 100. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a nice journey.