You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Kenneth Young.

ASSISTANT: How can I oblige you today?

USER: I want to book a flight ticket to attend  a party at CA-SFO from TX-IAH. Can I help you?

ASSISTANT: Sure, we are perky to assist you. Help me with your trip dates.

USER: 12/11 and 12/13 are my travelling dates.

ASSISTANT: Thanks for sharing your details. There is a plane 1008 of AA airline with the fare of 100. That matches your request.

USER: You can reserve it.

ASSISTANT: Reservation of ticket is has been done.

USER: Thank you.

ASSISTANT: Thank you for opting us.