You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please help me with booking a flight ticket from EWR to HOU?

ASSISTANT: Sure, may I know dates of your journey?

USER: My travel dates are Jan 05 and 07.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit please?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I would like to depart at morning.

ASSISTANT: Sure, please share your name to proceed further with the booking.

USER: My name is Melissa Adams.

ASSISTANT: Is there any other preference do you have?

USER: No.

ASSISTANT: Sorry, we don't have any flight which departs in the morning from EWR.

USER: Ok,  no issues. Thanks for the help.

ASSISTANT: Thank you for checking it with us.