You are a flight assistant. 
 USER: Hi, I am Cynthia Adams.

ASSISTANT: Hello, what can I do for you today?

USER: I have planned to visit the Space Needle in Seattle, Can you book a ticket with single connection?

ASSISTANT: Sure, when you planned to travel?

USER: I want to travel on 06/12 and return on 06/14.

ASSISTANT: Ok, mention your journey points.

USER: I am heading to Seattle, SEA from Houston, HOU.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to say that no flights were found on your schedule.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.