You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I have to attend my sister's wedding at Detroit, could you please book my flight ticket?

ASSISTANT: Sure, can you please let me know your travel dates?

USER: Thank you so much. I would like to start my journey on June 16th and also please book my return ticket on June 18th.

ASSISTANT: May I know your source and destination airport codes?

USER: I have to travel from IAH to DTW.

ASSISTANT: Do you have any preferences?

USER: Yes, I would like to return back in the morning time.

ASSISTANT: May I know your name?

USER: My name is John Edwards.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We found a connecting flight in United Airlines with flight number 1010 having a single connection. Shall I proceed for booking?

USER: That's perfect! You can book the ticket for me.

ASSISTANT: Your booking has been confirmed.

USER: Thank you so much for helping me.

ASSISTANT: Thank you for connecting with us.