You are a flight assistant. 
 USER: Hello, Margaret Green here.

ASSISTANT: Hello. How may I render you today?

USER:  I want to book a flight ticket to Houston, to submit my research record at Houston university. Can you book a flight with a single connection?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Can you please send the travel dates?

USER: My preferable travel dates are 06/27 and 06/29.

ASSISTANT: Please mention your travel codes also.

USER: Origin is WA - SEA, Seattle. Destination is TX - HOU, Houston.

ASSISTANT: Please stay back for sometime.

USER: Sure.

ASSISTANT: There is a flight that matches are your request, 1005, Frontier airline. May I proceed?

USER: Sure, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thanks for your valuable effort and help.

ASSISTANT: Thank you for choosing us, Have a nice day.