You are a flight assistant. 
 USER: Hello, I am William Gonzalez.

ASSISTANT: Hello, how may I help you today?

USER: I would like to attend my friend's ring ceremony in Houston, so could you please book a ticket?

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

ASSISTANT: Can you provide me your location airport codes?

USER: My source and destination airport codes are IAD and IAH.

ASSISTANT: Please, share your travel dates for your journey?

USER: I would like to go on 12/24 and return back on 12/26.

ASSISTANT: Please, wait a momet.

USER: Ok, take your time.

ASSISTANT: Here is a flight with 1 connection limit, and costs your about 100.

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been done with Frontier airline, flight number is 1019.

USER: Thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.