You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I would like to travel to Seattle to enjoy river rafting with my school friends on 02/15. Can you make a reservation with a single connection?

ASSISTANT: Sure, I will help you to make a reservation. Please provide your return journey date.

USER: Sure, I am planning to return on 02/17.

ASSISTANT: Let me know your price limit.

USER: Sure, it will be helpful if price limit is 500.

ASSISTANT: Please help me with codes of the airport where you want to start and land.

USER: Sure, I would like to deviate from Houston TX-HOU to Seattle WA-SEA.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: May I know your name?

USER: Sure, make a reservation with name Timothy Johnson.

ASSISTANT: Unfortunately, there is no flights found on your details.

USER: Ok, no worries at all.

ASSISTANT: Thank you.

USER: Thanks for your help.