You are a flight assistant. 
 USER: Hello. I am Robert Hall.

ASSISTANT: Hello, how can I aid you today?

USER: On the occasion of Christmas, I want to be with my family to enjoy the celebrations of Christmas day.

ASSISTANT: Ok.

USER: Will you please help me in booking a flight ticket from Houston, IAH?

ASSISTANT: Sure, I am ecstatic to help you.

USER: Thank you.

ASSISTANT: May I know, when you are planning to depart?

USER: I am planning to depart on 12/24.

ASSISTANT: help me with your landing airport code please.

USER: As I am going for round trip, my destination point is Houston, IAH only.

ASSISTANT: Kindly, share your return date of journey to proceed further.

USER: I intend to return on 12/26.

ASSISTANT: Thank you for sharing your details, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available with Southwest airline, flight number 1020 with price 100 and a lay by. Shall I proceed to book?

USER: Please, proceed.

ASSISTANT: Your reservation has been successfully processed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us.