You are a flight assistant. 
 USER: Hello, I am Catherine Perez.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to go Pike place market for shopping, can you please book a flight on 08/14?

ASSISTANT: Sure, can you help me with your preferred airport codes?

USER: Sure, my airport codes are from Houston, TX-IAH to Seattle, WA-SEA.

ASSISTANT: Do you want a return ticket from SEA?

USER: Yes, I need a return ticket on 08/16.

ASSISTANT: Thank you for your details. There is a flight with UA airlines is available for you. Price is 100 with 1 connection limit, shall I proceed?

USER: Yes, please reserve it.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a safe journey.